1321124480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1766

約数の個数: 128

約数和(自身を含む): 3438424080

約数和(自身を除く): 2117299600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 128, 130, 160, 194, 208, 260, 320, 388, 416, 485, 520, 640, 776, 832, 970, 1040, 1261, 1552, 1637, 1664, 1940, 2080, 2522, 3104, 3274, 3880, 4160, 5044, 6208, 6305, 6548, 7760, 8185, 8320, 10088, 12416, 12610, 13096, 15520, 16370, 20176, 21281, 25220, 26192, 31040, 32740, 40352, 42562, 50440, 52384, 62080, 65480, 80704, 85124, 100880, 104768, 106405, 130960, 158789, 161408, 170248, 201760, 209536, 212810, 261920, 317578, 340496, 403520, 425620, 523840, 635156, 680992, 793945, 807040, 851240, 1047680, 1270312, 1361984, 1587890, 1702480, 2064257, 2540624, 2723968, 3175780, 3404960, 4128514, 5081248, 6351560, 6809920, 8257028, 10162496, 10321285, 12703120, 13619840, 16514056, 20324992, 20642570, 25406240, 33028112, 41285140, 50812480, 66056224, 82570280, 101624960, 132112448, 165140560, 264224896, 330281120, 660562240, 1321124480]

約数ペア:

[(1, 1321124480), (2, 660562240), (4, 330281120), (5, 264224896), (8, 165140560), (10, 132112448), (13, 101624960), (16, 82570280), (20, 66056224), (26, 50812480), (32, 41285140), (40, 33028112), (52, 25406240), (64, 20642570), (65, 20324992), (80, 16514056), (97, 13619840), (104, 12703120), (128, 10321285), (130, 10162496), (160, 8257028), (194, 6809920), (208, 6351560), (260, 5081248), (320, 4128514), (388, 3404960), (416, 3175780), (485, 2723968), (520, 2540624), (640, 2064257), (776, 1702480), (832, 1587890), (970, 1361984), (1040, 1270312), (1261, 1047680), (1552, 851240), (1637, 807040), (1664, 793945), (1940, 680992), (2080, 635156), (2522, 523840), (3104, 425620), (3274, 403520), (3880, 340496), (4160, 317578), (5044, 261920), (6208, 212810), (6305, 209536), (6548, 201760), (7760, 170248), (8185, 161408), (8320, 158789), (10088, 130960), (12416, 106405), (12610, 104768), (13096, 100880), (15520, 85124), (16370, 80704), (20176, 65480), (21281, 62080), (25220, 52384), (26192, 50440), (31040, 42562), (32740, 40352)]