78830960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 198841440

約数和(自身を除く): 120010480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 260, 331, 458, 520, 662, 916, 1040, 1145, 1324, 1655, 1832, 2290, 2648, 2977, 3310, 3664, 4303, 4580, 5296, 5954, 6620, 8606, 9160, 11908, 13240, 14885, 17212, 18320, 21515, 23816, 26480, 29770, 34424, 43030, 47632, 59540, 68848, 75799, 86060, 119080, 151598, 172120, 238160, 303196, 344240, 378995, 606392, 757990, 985387, 1212784, 1515980, 1970774, 3031960, 3941548, 4926935, 6063920, 7883096, 9853870, 15766192, 19707740, 39415480, 78830960]

約数ペア:

[(1, 78830960), (2, 39415480), (4, 19707740), (5, 15766192), (8, 9853870), (10, 7883096), (13, 6063920), (16, 4926935), (20, 3941548), (26, 3031960), (40, 1970774), (52, 1515980), (65, 1212784), (80, 985387), (104, 757990), (130, 606392), (208, 378995), (229, 344240), (260, 303196), (331, 238160), (458, 172120), (520, 151598), (662, 119080), (916, 86060), (1040, 75799), (1145, 68848), (1324, 59540), (1655, 47632), (1832, 43030), (2290, 34424), (2648, 29770), (2977, 26480), (3310, 23816), (3664, 21515), (4303, 18320), (4580, 17212), (5296, 14885), (5954, 13240), (6620, 11908), (8606, 9160)]