129726320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 332562048

約数和(自身を除く): 202835728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 181, 248, 272, 289, 310, 340, 362, 496, 527, 578, 620, 680, 724, 905, 1054, 1156, 1240, 1360, 1445, 1448, 1810, 2108, 2312, 2480, 2635, 2890, 2896, 3077, 3620, 4216, 4624, 5270, 5611, 5780, 6154, 7240, 8432, 8959, 10540, 11222, 11560, 12308, 14480, 15385, 17918, 21080, 22444, 23120, 24616, 28055, 30770, 35836, 42160, 44795, 44888, 49232, 52309, 56110, 61540, 71672, 89590, 89776, 95387, 104618, 112220, 123080, 143344, 179180, 190774, 209236, 224440, 246160, 261545, 358360, 381548, 418472, 448880, 476935, 523090, 716720, 763096, 836944, 953870, 1046180, 1526192, 1621579, 1907740, 2092360, 3243158, 3815480, 4184720, 6486316, 7630960, 8107895, 12972632, 16215790, 25945264, 32431580, 64863160, 129726320]

約数ペア:

[(1, 129726320), (2, 64863160), (4, 32431580), (5, 25945264), (8, 16215790), (10, 12972632), (16, 8107895), (17, 7630960), (20, 6486316), (31, 4184720), (34, 3815480), (40, 3243158), (62, 2092360), (68, 1907740), (80, 1621579), (85, 1526192), (124, 1046180), (136, 953870), (155, 836944), (170, 763096), (181, 716720), (248, 523090), (272, 476935), (289, 448880), (310, 418472), (340, 381548), (362, 358360), (496, 261545), (527, 246160), (578, 224440), (620, 209236), (680, 190774), (724, 179180), (905, 143344), (1054, 123080), (1156, 112220), (1240, 104618), (1360, 95387), (1445, 89776), (1448, 89590), (1810, 71672), (2108, 61540), (2312, 56110), (2480, 52309), (2635, 49232), (2890, 44888), (2896, 44795), (3077, 42160), (3620, 35836), (4216, 30770), (4624, 28055), (5270, 24616), (5611, 23120), (5780, 22444), (6154, 21080), (7240, 17918), (8432, 15385), (8959, 14480), (10540, 12308), (11222, 11560)]