79906970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 189423360

約数和(自身を除く): 109516390

約数列:

[1, 2, 5, 10, 11, 13, 17, 19, 22, 26, 34, 38, 55, 65, 85, 95, 110, 130, 143, 170, 173, 187, 190, 209, 221, 247, 286, 323, 346, 374, 418, 442, 494, 646, 715, 865, 935, 1045, 1105, 1235, 1430, 1615, 1730, 1870, 1903, 2090, 2210, 2249, 2431, 2470, 2717, 2941, 3230, 3287, 3553, 3806, 4199, 4498, 4862, 5434, 5882, 6574, 7106, 8398, 9515, 11245, 12155, 13585, 14705, 16435, 17765, 19030, 20995, 22490, 24310, 24739, 27170, 29410, 32351, 32870, 35530, 36157, 38233, 41990, 42731, 46189, 49478, 55879, 64702, 72314, 76466, 85462, 92378, 111758, 123695, 161755, 180785, 191165, 213655, 230945, 247390, 279395, 323510, 361570, 382330, 420563, 427310, 461890, 470041, 558790, 614669, 726427, 841126, 940082, 1229338, 1452854, 2102815, 2350205, 3073345, 3632135, 4205630, 4700410, 6146690, 7264270, 7990697, 15981394, 39953485, 79906970]

約数ペア:

[(1, 79906970), (2, 39953485), (5, 15981394), (10, 7990697), (11, 7264270), (13, 6146690), (17, 4700410), (19, 4205630), (22, 3632135), (26, 3073345), (34, 2350205), (38, 2102815), (55, 1452854), (65, 1229338), (85, 940082), (95, 841126), (110, 726427), (130, 614669), (143, 558790), (170, 470041), (173, 461890), (187, 427310), (190, 420563), (209, 382330), (221, 361570), (247, 323510), (286, 279395), (323, 247390), (346, 230945), (374, 213655), (418, 191165), (442, 180785), (494, 161755), (646, 123695), (715, 111758), (865, 92378), (935, 85462), (1045, 76466), (1105, 72314), (1235, 64702), (1430, 55879), (1615, 49478), (1730, 46189), (1870, 42731), (1903, 41990), (2090, 38233), (2210, 36157), (2249, 35530), (2431, 32870), (2470, 32351), (2717, 29410), (2941, 27170), (3230, 24739), (3287, 24310), (3553, 22490), (3806, 20995), (4199, 19030), (4498, 17765), (4862, 16435), (5434, 14705), (5882, 13585), (6574, 12155), (7106, 11245), (8398, 9515)]