1285121440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 3093914880

約数和(自身を除く): 1808793440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 293, 316, 347, 395, 586, 632, 694, 790, 1172, 1264, 1388, 1465, 1580, 1735, 2344, 2528, 2776, 2930, 3160, 3470, 4688, 5552, 5860, 6320, 6940, 9376, 11104, 11720, 12640, 13880, 23147, 23440, 27413, 27760, 46294, 46880, 54826, 55520, 92588, 101671, 109652, 115735, 137065, 185176, 203342, 219304, 231470, 274130, 370352, 406684, 438608, 462940, 508355, 548260, 740704, 813368, 877216, 925880, 1016710, 1096520, 1626736, 1851760, 2033420, 2193040, 3253472, 3703520, 4066840, 4386080, 8032009, 8133680, 16064018, 16267360, 32128036, 40160045, 64256072, 80320090, 128512144, 160640180, 257024288, 321280360, 642560720, 1285121440]

約数ペア:

[(1, 1285121440), (2, 642560720), (4, 321280360), (5, 257024288), (8, 160640180), (10, 128512144), (16, 80320090), (20, 64256072), (32, 40160045), (40, 32128036), (79, 16267360), (80, 16064018), (158, 8133680), (160, 8032009), (293, 4386080), (316, 4066840), (347, 3703520), (395, 3253472), (586, 2193040), (632, 2033420), (694, 1851760), (790, 1626736), (1172, 1096520), (1264, 1016710), (1388, 925880), (1465, 877216), (1580, 813368), (1735, 740704), (2344, 548260), (2528, 508355), (2776, 462940), (2930, 438608), (3160, 406684), (3470, 370352), (4688, 274130), (5552, 231470), (5860, 219304), (6320, 203342), (6940, 185176), (9376, 137065), (11104, 115735), (11720, 109652), (12640, 101671), (13880, 92588), (23147, 55520), (23440, 54826), (27413, 46880), (27760, 46294)]