79665740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 222808320

約数和(自身を除く): 143142580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 179, 187, 220, 238, 289, 308, 340, 358, 374, 385, 476, 578, 595, 716, 748, 770, 895, 935, 1156, 1190, 1253, 1309, 1445, 1540, 1790, 1870, 1969, 2023, 2380, 2506, 2618, 2890, 3043, 3179, 3580, 3740, 3938, 4046, 5012, 5236, 5780, 6086, 6265, 6358, 6545, 7876, 8092, 9845, 10115, 12172, 12530, 12716, 13090, 13783, 15215, 15895, 19690, 20230, 21301, 22253, 25060, 26180, 27566, 30430, 31790, 33473, 39380, 40460, 42602, 44506, 51731, 55132, 60860, 63580, 66946, 68915, 85204, 89012, 103462, 106505, 111265, 133892, 137830, 167365, 206924, 213010, 222530, 234311, 258655, 275660, 334730, 362117, 426020, 445060, 468622, 517310, 569041, 669460, 724234, 937244, 1034620, 1138082, 1171555, 1448468, 1810585, 2276164, 2343110, 2845205, 3621170, 3983287, 4686220, 5690410, 7242340, 7966574, 11380820, 15933148, 19916435, 39832870, 79665740]

約数ペア:

[(1, 79665740), (2, 39832870), (4, 19916435), (5, 15933148), (7, 11380820), (10, 7966574), (11, 7242340), (14, 5690410), (17, 4686220), (20, 3983287), (22, 3621170), (28, 2845205), (34, 2343110), (35, 2276164), (44, 1810585), (55, 1448468), (68, 1171555), (70, 1138082), (77, 1034620), (85, 937244), (110, 724234), (119, 669460), (140, 569041), (154, 517310), (170, 468622), (179, 445060), (187, 426020), (220, 362117), (238, 334730), (289, 275660), (308, 258655), (340, 234311), (358, 222530), (374, 213010), (385, 206924), (476, 167365), (578, 137830), (595, 133892), (716, 111265), (748, 106505), (770, 103462), (895, 89012), (935, 85204), (1156, 68915), (1190, 66946), (1253, 63580), (1309, 60860), (1445, 55132), (1540, 51731), (1790, 44506), (1870, 42602), (1969, 40460), (2023, 39380), (2380, 33473), (2506, 31790), (2618, 30430), (2890, 27566), (3043, 26180), (3179, 25060), (3580, 22253), (3740, 21301), (3938, 20230), (4046, 19690), (5012, 15895), (5236, 15215), (5780, 13783), (6086, 13090), (6265, 12716), (6358, 12530), (6545, 12172), (7876, 10115), (8092, 9845)]