1321288960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1560

約数の個数: 144

約数和(自身を含む): 3435121872

約数和(自身を除く): 2113832912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 256, 272, 320, 328, 340, 410, 544, 640, 656, 680, 697, 820, 1088, 1280, 1312, 1360, 1394, 1481, 1640, 2176, 2624, 2720, 2788, 2962, 3280, 3485, 4352, 5248, 5440, 5576, 5924, 6560, 6970, 7405, 10496, 10880, 11152, 11848, 13120, 13940, 14810, 21760, 22304, 23696, 25177, 26240, 27880, 29620, 44608, 47392, 50354, 52480, 55760, 59240, 60721, 89216, 94784, 100708, 111520, 118480, 121442, 125885, 178432, 189568, 201416, 223040, 236960, 242884, 251770, 303605, 379136, 402832, 446080, 473920, 485768, 503540, 607210, 805664, 892160, 947840, 971536, 1007080, 1032257, 1214420, 1611328, 1895680, 1943072, 2014160, 2064514, 2428840, 3222656, 3886144, 4028320, 4129028, 4857680, 5161285, 6445312, 7772288, 8056640, 8258056, 9715360, 10322570, 15544576, 16113280, 16516112, 19430720, 20645140, 32226560, 33032224, 38861440, 41290280, 66064448, 77722880, 82580560, 132128896, 165161120, 264257792, 330322240, 660644480, 1321288960]

約数ペア:

[(1, 1321288960), (2, 660644480), (4, 330322240), (5, 264257792), (8, 165161120), (10, 132128896), (16, 82580560), (17, 77722880), (20, 66064448), (32, 41290280), (34, 38861440), (40, 33032224), (41, 32226560), (64, 20645140), (68, 19430720), (80, 16516112), (82, 16113280), (85, 15544576), (128, 10322570), (136, 9715360), (160, 8258056), (164, 8056640), (170, 7772288), (205, 6445312), (256, 5161285), (272, 4857680), (320, 4129028), (328, 4028320), (340, 3886144), (410, 3222656), (544, 2428840), (640, 2064514), (656, 2014160), (680, 1943072), (697, 1895680), (820, 1611328), (1088, 1214420), (1280, 1032257), (1312, 1007080), (1360, 971536), (1394, 947840), (1481, 892160), (1640, 805664), (2176, 607210), (2624, 503540), (2720, 485768), (2788, 473920), (2962, 446080), (3280, 402832), (3485, 379136), (4352, 303605), (5248, 251770), (5440, 242884), (5576, 236960), (5924, 223040), (6560, 201416), (6970, 189568), (7405, 178432), (10496, 125885), (10880, 121442), (11152, 118480), (11848, 111520), (13120, 100708), (13940, 94784), (14810, 89216), (21760, 60721), (22304, 59240), (23696, 55760), (25177, 52480), (26240, 50354), (27880, 47392), (29620, 44608)]