31175760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 123152832

約数和(自身を除く): 91977072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 241, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 482, 490, 528, 539, 560, 588, 616, 660, 723, 735, 770, 784, 840, 880, 924, 964, 980, 1078, 1155, 1176, 1205, 1232, 1320, 1446, 1470, 1540, 1617, 1680, 1687, 1848, 1928, 1960, 2156, 2310, 2352, 2410, 2640, 2651, 2695, 2892, 2940, 3080, 3234, 3374, 3615, 3696, 3856, 3920, 4312, 4620, 4820, 5061, 5302, 5390, 5784, 5880, 6160, 6468, 6748, 7230, 7953, 8085, 8435, 8624, 9240, 9640, 10122, 10604, 10780, 11568, 11760, 11809, 12936, 13255, 13496, 14460, 15906, 16170, 16870, 18480, 18557, 19280, 20244, 21208, 21560, 23618, 25305, 25872, 26510, 26992, 28920, 31812, 32340, 33740, 35427, 37114, 39765, 40488, 42416, 43120, 47236, 50610, 53020, 55671, 57840, 59045, 63624, 64680, 67480, 70854, 74228, 79530, 80976, 92785, 94472, 101220, 106040, 111342, 118090, 127248, 129360, 129899, 134960, 141708, 148456, 159060, 177135, 185570, 188944, 202440, 212080, 222684, 236180, 259798, 278355, 283416, 296912, 318120, 354270, 371140, 389697, 404880, 445368, 472360, 519596, 556710, 566832, 636240, 649495, 708540, 742280, 779394, 890736, 944720, 1039192, 1113420, 1298990, 1417080, 1484560, 1558788, 1948485, 2078384, 2226840, 2597980, 2834160, 3117576, 3896970, 4453680, 5195960, 6235152, 7793940, 10391920, 15587880, 31175760]

約数ペア:

[(1, 31175760), (2, 15587880), (3, 10391920), (4, 7793940), (5, 6235152), (6, 5195960), (7, 4453680), (8, 3896970), (10, 3117576), (11, 2834160), (12, 2597980), (14, 2226840), (15, 2078384), (16, 1948485), (20, 1558788), (21, 1484560), (22, 1417080), (24, 1298990), (28, 1113420), (30, 1039192), (33, 944720), (35, 890736), (40, 779394), (42, 742280), (44, 708540), (48, 649495), (49, 636240), (55, 566832), (56, 556710), (60, 519596), (66, 472360), (70, 445368), (77, 404880), (80, 389697), (84, 371140), (88, 354270), (98, 318120), (105, 296912), (110, 283416), (112, 278355), (120, 259798), (132, 236180), (140, 222684), (147, 212080), (154, 202440), (165, 188944), (168, 185570), (176, 177135), (196, 159060), (210, 148456), (220, 141708), (231, 134960), (240, 129899), (241, 129360), (245, 127248), (264, 118090), (280, 111342), (294, 106040), (308, 101220), (330, 94472), (336, 92785), (385, 80976), (392, 79530), (420, 74228), (440, 70854), (462, 67480), (482, 64680), (490, 63624), (528, 59045), (539, 57840), (560, 55671), (588, 53020), (616, 50610), (660, 47236), (723, 43120), (735, 42416), (770, 40488), (784, 39765), (840, 37114), (880, 35427), (924, 33740), (964, 32340), (980, 31812), (1078, 28920), (1155, 26992), (1176, 26510), (1205, 25872), (1232, 25305), (1320, 23618), (1446, 21560), (1470, 21208), (1540, 20244), (1617, 19280), (1680, 18557), (1687, 18480), (1848, 16870), (1928, 16170), (1960, 15906), (2156, 14460), (2310, 13496), (2352, 13255), (2410, 12936), (2640, 11809), (2651, 11760), (2695, 11568), (2892, 10780), (2940, 10604), (3080, 10122), (3234, 9640), (3374, 9240), (3615, 8624), (3696, 8435), (3856, 8085), (3920, 7953), (4312, 7230), (4620, 6748), (4820, 6468), (5061, 6160), (5302, 5880), (5390, 5784)]