220807920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3251}}^1$

素因数の和:3550

約数の個数: 80

約数和(自身を含む): 687134592

約数和(自身を除く): 466326672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 566, 849, 1132, 1415, 1698, 2264, 2830, 3251, 3396, 4245, 4528, 5660, 6502, 6792, 8490, 9753, 11320, 13004, 13584, 16255, 16980, 19506, 22640, 26008, 32510, 33960, 39012, 48765, 52016, 65020, 67920, 78024, 97530, 130040, 156048, 195060, 260080, 390120, 780240, 920033, 1840066, 2760099, 3680132, 4600165, 5520198, 7360264, 9200330, 11040396, 13800495, 14720528, 18400660, 22080792, 27600990, 36801320, 44161584, 55201980, 73602640, 110403960, 220807920]

約数ペア:

[(1, 220807920), (2, 110403960), (3, 73602640), (4, 55201980), (5, 44161584), (6, 36801320), (8, 27600990), (10, 22080792), (12, 18400660), (15, 14720528), (16, 13800495), (20, 11040396), (24, 9200330), (30, 7360264), (40, 5520198), (48, 4600165), (60, 3680132), (80, 2760099), (120, 1840066), (240, 920033), (283, 780240), (566, 390120), (849, 260080), (1132, 195060), (1415, 156048), (1698, 130040), (2264, 97530), (2830, 78024), (3251, 67920), (3396, 65020), (4245, 52016), (4528, 48765), (5660, 39012), (6502, 33960), (6792, 32510), (8490, 26008), (9753, 22640), (11320, 19506), (13004, 16980), (13584, 16255)]