421506480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2657}}^1$

素因数の和:3334

約数の個数: 80

約数和(自身を含む): 1309139424

約数和(自身を除く): 887632944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1983, 2644, 2657, 3305, 3966, 5288, 5314, 6610, 7932, 7971, 9915, 10576, 10628, 13220, 13285, 15864, 15942, 19830, 21256, 26440, 26570, 31728, 31884, 39660, 39855, 42512, 52880, 53140, 63768, 79320, 79710, 106280, 127536, 158640, 159420, 212560, 318840, 637680, 1756277, 3512554, 5268831, 7025108, 8781385, 10537662, 14050216, 17562770, 21075324, 26344155, 28100432, 35125540, 42150648, 52688310, 70251080, 84301296, 105376620, 140502160, 210753240, 421506480]

約数ペア:

[(1, 421506480), (2, 210753240), (3, 140502160), (4, 105376620), (5, 84301296), (6, 70251080), (8, 52688310), (10, 42150648), (12, 35125540), (15, 28100432), (16, 26344155), (20, 21075324), (24, 17562770), (30, 14050216), (40, 10537662), (48, 8781385), (60, 7025108), (80, 5268831), (120, 3512554), (240, 1756277), (661, 637680), (1322, 318840), (1983, 212560), (2644, 159420), (2657, 158640), (3305, 127536), (3966, 106280), (5288, 79710), (5314, 79320), (6610, 63768), (7932, 53140), (7971, 52880), (9915, 42512), (10576, 39855), (10628, 39660), (13220, 31884), (13285, 31728), (15864, 26570), (15942, 26440), (19830, 21256)]