28225204920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1117}}^1$

素因数の和:1860

約数の個数: 320

約数和(自身を含む): 103731170400

約数和(自身を除く): 75505965480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 709, 792, 810, 891, 990, 1080, 1117, 1188, 1320, 1418, 1485, 1620, 1782, 1980, 2127, 2234, 2376, 2836, 2970, 3240, 3351, 3545, 3564, 3960, 4254, 4455, 4468, 5585, 5672, 5940, 6381, 6702, 7090, 7128, 7799, 8508, 8910, 8936, 10053, 10635, 11170, 11880, 12287, 12762, 13404, 14180, 15598, 16755, 17016, 17820, 19143, 20106, 21270, 22340, 23397, 24574, 25524, 26808, 28360, 30159, 31196, 31905, 33510, 35640, 36861, 38286, 38995, 40212, 42540, 44680, 46794, 49148, 50265, 51048, 57429, 60318, 61435, 62392, 63810, 67020, 70191, 73722, 76572, 77990, 80424, 85080, 90477, 93588, 95715, 98296, 100530, 110583, 114858, 116985, 120636, 122870, 127620, 134040, 140382, 147444, 150795, 153144, 155980, 180954, 184305, 187176, 191430, 201060, 210573, 221166, 229716, 233970, 241272, 245740, 255240, 280764, 287145, 294888, 301590, 311960, 331749, 350955, 361908, 368610, 382860, 402120, 421146, 442332, 452385, 459432, 467940, 491480, 552915, 561528, 574290, 603180, 631719, 663498, 701910, 723816, 737220, 765720, 791953, 842292, 884664, 904770, 935880, 995247, 1052865, 1105830, 1148580, 1206360, 1263438, 1326996, 1403820, 1474440, 1583906, 1658745, 1684584, 1809540, 1990494, 2105730, 2211660, 2297160, 2375859, 2526876, 2653992, 2807640, 3158595, 3167812, 3317490, 3619080, 3959765, 3980988, 4211460, 4423320, 4751718, 4976235, 5053752, 6317190, 6335624, 6634980, 7127577, 7919530, 7961976, 8422920, 8711483, 9503436, 9952470, 11879295, 12634380, 13269960, 14255154, 15839060, 17422966, 19006872, 19904940, 21382731, 23758590, 25268760, 26134449, 28510308, 31678120, 34845932, 35637885, 39809880, 42765462, 43557415, 47517180, 52268898, 57020616, 64148193, 69691864, 71275770, 78403347, 85530924, 87114830, 95034360, 104537796, 106913655, 128296386, 130672245, 142551540, 156806694, 171061848, 174229660, 209075592, 213827310, 235210041, 256592772, 261344490, 285103080, 313613388, 320740965, 348459320, 392016735, 427654620, 470420082, 513185544, 522688980, 627226776, 641481930, 705630123, 784033470, 855309240, 940840164, 1045377960, 1176050205, 1282963860, 1411260246, 1568066940, 1881680328, 2352100410, 2565927720, 2822520492, 3136133880, 3528150615, 4704200820, 5645040984, 7056301230, 9408401640, 14112602460, 28225204920]

約数ペア:

[(1, 28225204920), (2, 14112602460), (3, 9408401640), (4, 7056301230), (5, 5645040984), (6, 4704200820), (8, 3528150615), (9, 3136133880), (10, 2822520492), (11, 2565927720), (12, 2352100410), (15, 1881680328), (18, 1568066940), (20, 1411260246), (22, 1282963860), (24, 1176050205), (27, 1045377960), (30, 940840164), (33, 855309240), (36, 784033470), (40, 705630123), (44, 641481930), (45, 627226776), (54, 522688980), (55, 513185544), (60, 470420082), (66, 427654620), (72, 392016735), (81, 348459320), (88, 320740965), (90, 313613388), (99, 285103080), (108, 261344490), (110, 256592772), (120, 235210041), (132, 213827310), (135, 209075592), (162, 174229660), (165, 171061848), (180, 156806694), (198, 142551540), (216, 130672245), (220, 128296386), (264, 106913655), (270, 104537796), (297, 95034360), (324, 87114830), (330, 85530924), (360, 78403347), (396, 71275770), (405, 69691864), (440, 64148193), (495, 57020616), (540, 52268898), (594, 47517180), (648, 43557415), (660, 42765462), (709, 39809880), (792, 35637885), (810, 34845932), (891, 31678120), (990, 28510308), (1080, 26134449), (1117, 25268760), (1188, 23758590), (1320, 21382731), (1418, 19904940), (1485, 19006872), (1620, 17422966), (1782, 15839060), (1980, 14255154), (2127, 13269960), (2234, 12634380), (2376, 11879295), (2836, 9952470), (2970, 9503436), (3240, 8711483), (3351, 8422920), (3545, 7961976), (3564, 7919530), (3960, 7127577), (4254, 6634980), (4455, 6335624), (4468, 6317190), (5585, 5053752), (5672, 4976235), (5940, 4751718), (6381, 4423320), (6702, 4211460), (7090, 3980988), (7128, 3959765), (7799, 3619080), (8508, 3317490), (8910, 3167812), (8936, 3158595), (10053, 2807640), (10635, 2653992), (11170, 2526876), (11880, 2375859), (12287, 2297160), (12762, 2211660), (13404, 2105730), (14180, 1990494), (15598, 1809540), (16755, 1684584), (17016, 1658745), (17820, 1583906), (19143, 1474440), (20106, 1403820), (21270, 1326996), (22340, 1263438), (23397, 1206360), (24574, 1148580), (25524, 1105830), (26808, 1052865), (28360, 995247), (30159, 935880), (31196, 904770), (31905, 884664), (33510, 842292), (35640, 791953), (36861, 765720), (38286, 737220), (38995, 723816), (40212, 701910), (42540, 663498), (44680, 631719), (46794, 603180), (49148, 574290), (50265, 561528), (51048, 552915), (57429, 491480), (60318, 467940), (61435, 459432), (62392, 452385), (63810, 442332), (67020, 421146), (70191, 402120), (73722, 382860), (76572, 368610), (77990, 361908), (80424, 350955), (85080, 331749), (90477, 311960), (93588, 301590), (95715, 294888), (98296, 287145), (100530, 280764), (110583, 255240), (114858, 245740), (116985, 241272), (120636, 233970), (122870, 229716), (127620, 221166), (134040, 210573), (140382, 201060), (147444, 191430), (150795, 187176), (153144, 184305), (155980, 180954)]