79998960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 249153696

約数和(自身を除く): 169154736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1297, 1542, 2056, 2570, 2594, 3084, 3855, 3891, 4112, 5140, 5188, 6168, 6485, 7710, 7782, 10280, 10376, 12336, 12970, 15420, 15564, 19455, 20560, 20752, 25940, 30840, 31128, 38910, 51880, 61680, 62256, 77820, 103760, 155640, 311280, 333329, 666658, 999987, 1333316, 1666645, 1999974, 2666632, 3333290, 3999948, 4999935, 5333264, 6666580, 7999896, 9999870, 13333160, 15999792, 19999740, 26666320, 39999480, 79998960]

約数ペア:

[(1, 79998960), (2, 39999480), (3, 26666320), (4, 19999740), (5, 15999792), (6, 13333160), (8, 9999870), (10, 7999896), (12, 6666580), (15, 5333264), (16, 4999935), (20, 3999948), (24, 3333290), (30, 2666632), (40, 1999974), (48, 1666645), (60, 1333316), (80, 999987), (120, 666658), (240, 333329), (257, 311280), (514, 155640), (771, 103760), (1028, 77820), (1285, 62256), (1297, 61680), (1542, 51880), (2056, 38910), (2570, 31128), (2594, 30840), (3084, 25940), (3855, 20752), (3891, 20560), (4112, 19455), (5140, 15564), (5188, 15420), (6168, 12970), (6485, 12336), (7710, 10376), (7782, 10280)]