145722320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 355358208

約数和(自身を除く): 209635888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 877, 1072, 1240, 1340, 1754, 2077, 2480, 2680, 3508, 4154, 4385, 5360, 7016, 8308, 8770, 10385, 14032, 16616, 17540, 20770, 27187, 33232, 35080, 41540, 54374, 58759, 70160, 83080, 108748, 117518, 135935, 166160, 217496, 235036, 271870, 293795, 434992, 470072, 543740, 587590, 940144, 1087480, 1175180, 1821529, 2174960, 2350360, 3643058, 4700720, 7286116, 9107645, 14572232, 18215290, 29144464, 36430580, 72861160, 145722320]

約数ペア:

[(1, 145722320), (2, 72861160), (4, 36430580), (5, 29144464), (8, 18215290), (10, 14572232), (16, 9107645), (20, 7286116), (31, 4700720), (40, 3643058), (62, 2350360), (67, 2174960), (80, 1821529), (124, 1175180), (134, 1087480), (155, 940144), (248, 587590), (268, 543740), (310, 470072), (335, 434992), (496, 293795), (536, 271870), (620, 235036), (670, 217496), (877, 166160), (1072, 135935), (1240, 117518), (1340, 108748), (1754, 83080), (2077, 70160), (2480, 58759), (2680, 54374), (3508, 41540), (4154, 35080), (4385, 33232), (5360, 27187), (7016, 20770), (8308, 17540), (8770, 16616), (10385, 14032)]