253934520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{601}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 873815040

約数和(自身を除く): 619880520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 503, 601, 840, 1006, 1202, 1509, 1803, 2012, 2404, 2515, 3005, 3018, 3521, 3606, 4024, 4207, 4808, 5030, 6010, 6036, 7042, 7212, 7545, 8414, 9015, 10060, 10563, 12020, 12072, 12621, 14084, 14424, 15090, 16828, 17605, 18030, 20120, 21035, 21126, 24040, 25242, 28168, 30180, 33656, 35210, 36060, 42070, 42252, 50484, 52815, 60360, 63105, 70420, 72120, 84140, 84504, 100968, 105630, 126210, 140840, 168280, 211260, 252420, 302303, 422520, 504840, 604606, 906909, 1209212, 1511515, 1813818, 2116121, 2418424, 3023030, 3627636, 4232242, 4534545, 6046060, 6348363, 7255272, 8464484, 9069090, 10580605, 12092120, 12696726, 16928968, 18138180, 21161210, 25393452, 31741815, 36276360, 42322420, 50786904, 63483630, 84644840, 126967260, 253934520]

約数ペア:

[(1, 253934520), (2, 126967260), (3, 84644840), (4, 63483630), (5, 50786904), (6, 42322420), (7, 36276360), (8, 31741815), (10, 25393452), (12, 21161210), (14, 18138180), (15, 16928968), (20, 12696726), (21, 12092120), (24, 10580605), (28, 9069090), (30, 8464484), (35, 7255272), (40, 6348363), (42, 6046060), (56, 4534545), (60, 4232242), (70, 3627636), (84, 3023030), (105, 2418424), (120, 2116121), (140, 1813818), (168, 1511515), (210, 1209212), (280, 906909), (420, 604606), (503, 504840), (601, 422520), (840, 302303), (1006, 252420), (1202, 211260), (1509, 168280), (1803, 140840), (2012, 126210), (2404, 105630), (2515, 100968), (3005, 84504), (3018, 84140), (3521, 72120), (3606, 70420), (4024, 63105), (4207, 60360), (4808, 52815), (5030, 50484), (6010, 42252), (6036, 42070), (7042, 36060), (7212, 35210), (7545, 33656), (8414, 30180), (9015, 28168), (10060, 25242), (10563, 24040), (12020, 21126), (12072, 21035), (12621, 20120), (14084, 18030), (14424, 17605), (15090, 16828)]