257338320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20231}}^1$

素因数の和:20300

約数の個数: 80

約数和(自身を含む): 812840832

約数和(自身を除く): 555502512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 20231, 40462, 60693, 80924, 101155, 121386, 161848, 202310, 242772, 303465, 323696, 404620, 485544, 606930, 809240, 971088, 1072243, 1213860, 1618480, 2144486, 2427720, 3216729, 4288972, 4855440, 5361215, 6433458, 8577944, 10722430, 12866916, 16083645, 17155888, 21444860, 25733832, 32167290, 42889720, 51467664, 64334580, 85779440, 128669160, 257338320]

約数ペア:

[(1, 257338320), (2, 128669160), (3, 85779440), (4, 64334580), (5, 51467664), (6, 42889720), (8, 32167290), (10, 25733832), (12, 21444860), (15, 17155888), (16, 16083645), (20, 12866916), (24, 10722430), (30, 8577944), (40, 6433458), (48, 5361215), (53, 4855440), (60, 4288972), (80, 3216729), (106, 2427720), (120, 2144486), (159, 1618480), (212, 1213860), (240, 1072243), (265, 971088), (318, 809240), (424, 606930), (530, 485544), (636, 404620), (795, 323696), (848, 303465), (1060, 242772), (1272, 202310), (1590, 161848), (2120, 121386), (2544, 101155), (3180, 80924), (4240, 60693), (6360, 40462), (12720, 20231)]