162481280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 426686400

約数和(自身を除く): 264205120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 128, 130, 160, 208, 236, 260, 295, 320, 331, 416, 472, 520, 590, 640, 662, 767, 832, 944, 1040, 1180, 1324, 1534, 1655, 1664, 1888, 2080, 2360, 2648, 3068, 3310, 3776, 3835, 4160, 4303, 4720, 5296, 6136, 6620, 7552, 7670, 8320, 8606, 9440, 10592, 12272, 13240, 15340, 17212, 18880, 19529, 21184, 21515, 24544, 26480, 30680, 34424, 37760, 39058, 42368, 43030, 49088, 52960, 61360, 68848, 78116, 86060, 97645, 98176, 105920, 122720, 137696, 156232, 172120, 195290, 211840, 245440, 253877, 275392, 312464, 344240, 390580, 490880, 507754, 550784, 624928, 688480, 781160, 1015508, 1249856, 1269385, 1376960, 1562320, 2031016, 2499712, 2538770, 2753920, 3124640, 4062032, 5077540, 6249280, 8124064, 10155080, 12498560, 16248128, 20310160, 32496256, 40620320, 81240640, 162481280]

約数ペア:

[(1, 162481280), (2, 81240640), (4, 40620320), (5, 32496256), (8, 20310160), (10, 16248128), (13, 12498560), (16, 10155080), (20, 8124064), (26, 6249280), (32, 5077540), (40, 4062032), (52, 3124640), (59, 2753920), (64, 2538770), (65, 2499712), (80, 2031016), (104, 1562320), (118, 1376960), (128, 1269385), (130, 1249856), (160, 1015508), (208, 781160), (236, 688480), (260, 624928), (295, 550784), (320, 507754), (331, 490880), (416, 390580), (472, 344240), (520, 312464), (590, 275392), (640, 253877), (662, 245440), (767, 211840), (832, 195290), (944, 172120), (1040, 156232), (1180, 137696), (1324, 122720), (1534, 105920), (1655, 98176), (1664, 97645), (1888, 86060), (2080, 78116), (2360, 68848), (2648, 61360), (3068, 52960), (3310, 49088), (3776, 43030), (3835, 42368), (4160, 39058), (4303, 37760), (4720, 34424), (5296, 30680), (6136, 26480), (6620, 24544), (7552, 21515), (7670, 21184), (8320, 19529), (8606, 18880), (9440, 17212), (10592, 15340), (12272, 13240)]