641462640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1336

約数の個数: 320

約数和(自身を含む): 2555836416

約数和(自身を除く): 1914373776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 48, 52, 56, 60, 65, 69, 70, 78, 80, 84, 91, 92, 104, 105, 112, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 208, 210, 230, 240, 260, 273, 276, 280, 299, 312, 322, 336, 345, 364, 368, 390, 420, 455, 460, 483, 520, 546, 552, 560, 598, 624, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1040, 1092, 1104, 1196, 1277, 1288, 1365, 1380, 1456, 1495, 1560, 1610, 1680, 1794, 1820, 1840, 1932, 2093, 2184, 2392, 2415, 2554, 2576, 2730, 2760, 2990, 3120, 3220, 3588, 3640, 3831, 3864, 4186, 4368, 4485, 4784, 4830, 5108, 5460, 5520, 5980, 6279, 6385, 6440, 7176, 7280, 7662, 7728, 8372, 8939, 8970, 9660, 10216, 10465, 10920, 11960, 12558, 12770, 12880, 14352, 15324, 16601, 16744, 17878, 17940, 19155, 19320, 20432, 20930, 21840, 23920, 25116, 25540, 26817, 29371, 30648, 31395, 33202, 33488, 35756, 35880, 38310, 38640, 41860, 44695, 49803, 50232, 51080, 53634, 58742, 61296, 62790, 66404, 71512, 71760, 76620, 83005, 83720, 88113, 89390, 99606, 100464, 102160, 107268, 116207, 117484, 125580, 132808, 134085, 143024, 146855, 153240, 166010, 167440, 176226, 178780, 199212, 205597, 214536, 232414, 234968, 249015, 251160, 265616, 268170, 293710, 306480, 332020, 348621, 352452, 357560, 381823, 398424, 411194, 429072, 440565, 464828, 469936, 498030, 502320, 536340, 581035, 587420, 616791, 664040, 697242, 704904, 715120, 763646, 796848, 822388, 881130, 929656, 996060, 1027985, 1072680, 1145469, 1162070, 1174840, 1233582, 1328080, 1394484, 1409808, 1527292, 1644776, 1743105, 1762260, 1859312, 1909115, 1992120, 2055970, 2145360, 2290938, 2324140, 2349680, 2467164, 2672761, 2788968, 3054584, 3083955, 3289552, 3486210, 3524520, 3818230, 3984240, 4111940, 4581876, 4648280, 4934328, 5345522, 5577936, 5727345, 6109168, 6167910, 6972420, 7049040, 7636460, 8018283, 8223880, 9163752, 9296560, 9868656, 10691044, 11454690, 12335820, 13363805, 13944840, 15272920, 16036566, 16447760, 18327504, 21382088, 22909380, 24671640, 26727610, 27889680, 30545840, 32073132, 40091415, 42764176, 45818760, 49343280, 53455220, 64146264, 80182830, 91637520, 106910440, 128292528, 160365660, 213820880, 320731320, 641462640]

約数ペア:

[(1, 641462640), (2, 320731320), (3, 213820880), (4, 160365660), (5, 128292528), (6, 106910440), (7, 91637520), (8, 80182830), (10, 64146264), (12, 53455220), (13, 49343280), (14, 45818760), (15, 42764176), (16, 40091415), (20, 32073132), (21, 30545840), (23, 27889680), (24, 26727610), (26, 24671640), (28, 22909380), (30, 21382088), (35, 18327504), (39, 16447760), (40, 16036566), (42, 15272920), (46, 13944840), (48, 13363805), (52, 12335820), (56, 11454690), (60, 10691044), (65, 9868656), (69, 9296560), (70, 9163752), (78, 8223880), (80, 8018283), (84, 7636460), (91, 7049040), (92, 6972420), (104, 6167910), (105, 6109168), (112, 5727345), (115, 5577936), (120, 5345522), (130, 4934328), (138, 4648280), (140, 4581876), (156, 4111940), (161, 3984240), (168, 3818230), (182, 3524520), (184, 3486210), (195, 3289552), (208, 3083955), (210, 3054584), (230, 2788968), (240, 2672761), (260, 2467164), (273, 2349680), (276, 2324140), (280, 2290938), (299, 2145360), (312, 2055970), (322, 1992120), (336, 1909115), (345, 1859312), (364, 1762260), (368, 1743105), (390, 1644776), (420, 1527292), (455, 1409808), (460, 1394484), (483, 1328080), (520, 1233582), (546, 1174840), (552, 1162070), (560, 1145469), (598, 1072680), (624, 1027985), (644, 996060), (690, 929656), (728, 881130), (780, 822388), (805, 796848), (840, 763646), (897, 715120), (910, 704904), (920, 697242), (966, 664040), (1040, 616791), (1092, 587420), (1104, 581035), (1196, 536340), (1277, 502320), (1288, 498030), (1365, 469936), (1380, 464828), (1456, 440565), (1495, 429072), (1560, 411194), (1610, 398424), (1680, 381823), (1794, 357560), (1820, 352452), (1840, 348621), (1932, 332020), (2093, 306480), (2184, 293710), (2392, 268170), (2415, 265616), (2554, 251160), (2576, 249015), (2730, 234968), (2760, 232414), (2990, 214536), (3120, 205597), (3220, 199212), (3588, 178780), (3640, 176226), (3831, 167440), (3864, 166010), (4186, 153240), (4368, 146855), (4485, 143024), (4784, 134085), (4830, 132808), (5108, 125580), (5460, 117484), (5520, 116207), (5980, 107268), (6279, 102160), (6385, 100464), (6440, 99606), (7176, 89390), (7280, 88113), (7662, 83720), (7728, 83005), (8372, 76620), (8939, 71760), (8970, 71512), (9660, 66404), (10216, 62790), (10465, 61296), (10920, 58742), (11960, 53634), (12558, 51080), (12770, 50232), (12880, 49803), (14352, 44695), (15324, 41860), (16601, 38640), (16744, 38310), (17878, 35880), (17940, 35756), (19155, 33488), (19320, 33202), (20432, 31395), (20930, 30648), (21840, 29371), (23920, 26817), (25116, 25540)]