18622320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2503}}^1$

素因数の和:2550

約数の個数: 80

約数和(自身を含む): 59615232

約数和(自身を除く): 40992912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2503, 3720, 5006, 7440, 7509, 10012, 12515, 15018, 20024, 25030, 30036, 37545, 40048, 50060, 60072, 75090, 77593, 100120, 120144, 150180, 155186, 200240, 232779, 300360, 310372, 387965, 465558, 600720, 620744, 775930, 931116, 1163895, 1241488, 1551860, 1862232, 2327790, 3103720, 3724464, 4655580, 6207440, 9311160, 18622320]

約数ペア:

[(1, 18622320), (2, 9311160), (3, 6207440), (4, 4655580), (5, 3724464), (6, 3103720), (8, 2327790), (10, 1862232), (12, 1551860), (15, 1241488), (16, 1163895), (20, 931116), (24, 775930), (30, 620744), (31, 600720), (40, 465558), (48, 387965), (60, 310372), (62, 300360), (80, 232779), (93, 200240), (120, 155186), (124, 150180), (155, 120144), (186, 100120), (240, 77593), (248, 75090), (310, 60072), (372, 50060), (465, 40048), (496, 37545), (620, 30036), (744, 25030), (930, 20024), (1240, 15018), (1488, 12515), (1860, 10012), (2480, 7509), (2503, 7440), (3720, 5006)]