79888860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 254392320

約数和(自身を除く): 174503460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 124, 139, 155, 180, 186, 206, 278, 279, 309, 310, 372, 412, 417, 465, 515, 556, 558, 618, 620, 695, 834, 927, 930, 1030, 1116, 1236, 1251, 1390, 1395, 1545, 1668, 1854, 1860, 2060, 2085, 2502, 2780, 2790, 3090, 3193, 3708, 4170, 4309, 4635, 5004, 5580, 6180, 6255, 6386, 8340, 8618, 9270, 9579, 12510, 12772, 12927, 14317, 15965, 17236, 18540, 19158, 21545, 25020, 25854, 28634, 28737, 31930, 38316, 38781, 42951, 43090, 47895, 51708, 57268, 57474, 63860, 64635, 71585, 77562, 85902, 86180, 95790, 114948, 128853, 129270, 143170, 143685, 155124, 171804, 191580, 193905, 214755, 257706, 258540, 286340, 287370, 387810, 429510, 443827, 515412, 574740, 644265, 775620, 859020, 887654, 1288530, 1331481, 1775308, 2219135, 2577060, 2662962, 3994443, 4438270, 5325924, 6657405, 7988886, 8876540, 13314810, 15977772, 19972215, 26629620, 39944430, 79888860]

約数ペア:

[(1, 79888860), (2, 39944430), (3, 26629620), (4, 19972215), (5, 15977772), (6, 13314810), (9, 8876540), (10, 7988886), (12, 6657405), (15, 5325924), (18, 4438270), (20, 3994443), (30, 2662962), (31, 2577060), (36, 2219135), (45, 1775308), (60, 1331481), (62, 1288530), (90, 887654), (93, 859020), (103, 775620), (124, 644265), (139, 574740), (155, 515412), (180, 443827), (186, 429510), (206, 387810), (278, 287370), (279, 286340), (309, 258540), (310, 257706), (372, 214755), (412, 193905), (417, 191580), (465, 171804), (515, 155124), (556, 143685), (558, 143170), (618, 129270), (620, 128853), (695, 114948), (834, 95790), (927, 86180), (930, 85902), (1030, 77562), (1116, 71585), (1236, 64635), (1251, 63860), (1390, 57474), (1395, 57268), (1545, 51708), (1668, 47895), (1854, 43090), (1860, 42951), (2060, 38781), (2085, 38316), (2502, 31930), (2780, 28737), (2790, 28634), (3090, 25854), (3193, 25020), (3708, 21545), (4170, 19158), (4309, 18540), (4635, 17236), (5004, 15965), (5580, 14317), (6180, 12927), (6255, 12772), (6386, 12510), (8340, 9579), (8618, 9270)]