1299648640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6287}}^1$

素因数の和:6342

約数の個数: 128

約数和(自身を含む): 3463430400

約数和(自身を除く): 2163781760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 5168, 5440, 6080, 6287, 6460, 10336, 10880, 12160, 12574, 12920, 20672, 25148, 25840, 31435, 41344, 50296, 51680, 62870, 100592, 103360, 106879, 119453, 125740, 201184, 206720, 213758, 238906, 251480, 402368, 427516, 477812, 502960, 534395, 597265, 804736, 855032, 955624, 1005920, 1068790, 1194530, 1710064, 1911248, 2011840, 2030701, 2137580, 2389060, 3420128, 3822496, 4023680, 4061402, 4275160, 4778120, 6840256, 7644992, 8122804, 8550320, 9556240, 10153505, 13680512, 15289984, 16245608, 17100640, 19112480, 20307010, 32491216, 34201280, 38224960, 40614020, 64982432, 68402560, 76449920, 81228040, 129964864, 162456080, 259929728, 324912160, 649824320, 1299648640]

約数ペア:

[(1, 1299648640), (2, 649824320), (4, 324912160), (5, 259929728), (8, 162456080), (10, 129964864), (16, 81228040), (17, 76449920), (19, 68402560), (20, 64982432), (32, 40614020), (34, 38224960), (38, 34201280), (40, 32491216), (64, 20307010), (68, 19112480), (76, 17100640), (80, 16245608), (85, 15289984), (95, 13680512), (128, 10153505), (136, 9556240), (152, 8550320), (160, 8122804), (170, 7644992), (190, 6840256), (272, 4778120), (304, 4275160), (320, 4061402), (323, 4023680), (340, 3822496), (380, 3420128), (544, 2389060), (608, 2137580), (640, 2030701), (646, 2011840), (680, 1911248), (760, 1710064), (1088, 1194530), (1216, 1068790), (1292, 1005920), (1360, 955624), (1520, 855032), (1615, 804736), (2176, 597265), (2432, 534395), (2584, 502960), (2720, 477812), (3040, 427516), (3230, 402368), (5168, 251480), (5440, 238906), (6080, 213758), (6287, 206720), (6460, 201184), (10336, 125740), (10880, 119453), (12160, 106879), (12574, 103360), (12920, 100592), (20672, 62870), (25148, 51680), (25840, 50296), (31435, 41344)]