64485960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 192

約数和(自身を含む): 245747520

約数和(自身を除く): 181261560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 924, 980, 997, 1078, 1155, 1176, 1320, 1470, 1540, 1617, 1848, 1960, 1994, 2156, 2310, 2695, 2940, 2991, 3080, 3234, 3988, 4312, 4620, 4985, 5390, 5880, 5982, 6468, 6979, 7976, 8085, 9240, 9970, 10780, 10967, 11964, 12936, 13958, 14955, 16170, 19940, 20937, 21560, 21934, 23928, 27916, 29910, 32340, 32901, 34895, 39880, 41874, 43868, 48853, 54835, 55832, 59820, 64680, 65802, 69790, 76769, 83748, 87736, 97706, 104685, 109670, 119640, 131604, 139580, 146559, 153538, 164505, 167496, 195412, 209370, 219340, 230307, 244265, 263208, 279160, 293118, 307076, 329010, 383845, 390824, 418740, 438680, 460614, 488530, 537383, 586236, 614152, 658020, 732795, 767690, 837480, 921228, 977060, 1074766, 1151535, 1172472, 1316040, 1465590, 1535380, 1612149, 1842456, 1954120, 2149532, 2303070, 2686915, 2931180, 3070760, 3224298, 4299064, 4606140, 5373830, 5862360, 6448596, 8060745, 9212280, 10747660, 12897192, 16121490, 21495320, 32242980, 64485960]

約数ペア:

[(1, 64485960), (2, 32242980), (3, 21495320), (4, 16121490), (5, 12897192), (6, 10747660), (7, 9212280), (8, 8060745), (10, 6448596), (11, 5862360), (12, 5373830), (14, 4606140), (15, 4299064), (20, 3224298), (21, 3070760), (22, 2931180), (24, 2686915), (28, 2303070), (30, 2149532), (33, 1954120), (35, 1842456), (40, 1612149), (42, 1535380), (44, 1465590), (49, 1316040), (55, 1172472), (56, 1151535), (60, 1074766), (66, 977060), (70, 921228), (77, 837480), (84, 767690), (88, 732795), (98, 658020), (105, 614152), (110, 586236), (120, 537383), (132, 488530), (140, 460614), (147, 438680), (154, 418740), (165, 390824), (168, 383845), (196, 329010), (210, 307076), (220, 293118), (231, 279160), (245, 263208), (264, 244265), (280, 230307), (294, 219340), (308, 209370), (330, 195412), (385, 167496), (392, 164505), (420, 153538), (440, 146559), (462, 139580), (490, 131604), (539, 119640), (588, 109670), (616, 104685), (660, 97706), (735, 87736), (770, 83748), (840, 76769), (924, 69790), (980, 65802), (997, 64680), (1078, 59820), (1155, 55832), (1176, 54835), (1320, 48853), (1470, 43868), (1540, 41874), (1617, 39880), (1848, 34895), (1960, 32901), (1994, 32340), (2156, 29910), (2310, 27916), (2695, 23928), (2940, 21934), (2991, 21560), (3080, 20937), (3234, 19940), (3988, 16170), (4312, 14955), (4620, 13958), (4985, 12936), (5390, 11964), (5880, 10967), (5982, 10780), (6468, 9970), (6979, 9240), (7976, 8085)]