77381520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 240734592

約数和(自身を除く): 163353072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 503, 641, 1006, 1282, 1509, 1923, 2012, 2515, 2564, 3018, 3205, 3846, 4024, 5030, 5128, 6036, 6410, 7545, 7692, 8048, 9615, 10060, 10256, 12072, 12820, 15090, 15384, 19230, 20120, 24144, 25640, 30180, 30768, 38460, 40240, 51280, 60360, 76920, 120720, 153840, 322423, 644846, 967269, 1289692, 1612115, 1934538, 2579384, 3224230, 3869076, 4836345, 5158768, 6448460, 7738152, 9672690, 12896920, 15476304, 19345380, 25793840, 38690760, 77381520]

約数ペア:

[(1, 77381520), (2, 38690760), (3, 25793840), (4, 19345380), (5, 15476304), (6, 12896920), (8, 9672690), (10, 7738152), (12, 6448460), (15, 5158768), (16, 4836345), (20, 3869076), (24, 3224230), (30, 2579384), (40, 1934538), (48, 1612115), (60, 1289692), (80, 967269), (120, 644846), (240, 322423), (503, 153840), (641, 120720), (1006, 76920), (1282, 60360), (1509, 51280), (1923, 40240), (2012, 38460), (2515, 30768), (2564, 30180), (3018, 25640), (3205, 24144), (3846, 20120), (4024, 19230), (5030, 15384), (5128, 15090), (6036, 12820), (6410, 12072), (7545, 10256), (7692, 10060), (8048, 9615)]