154991280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{977}}^1$

素因数の和:1654

約数の個数: 80

約数和(自身を含む): 481692384

約数和(自身を除く): 326701104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 977, 1322, 1954, 1983, 2644, 2931, 3305, 3908, 3966, 4885, 5288, 5862, 6610, 7816, 7932, 9770, 9915, 10576, 11724, 13220, 14655, 15632, 15864, 19540, 19830, 23448, 26440, 29310, 31728, 39080, 39660, 46896, 52880, 58620, 78160, 79320, 117240, 158640, 234480, 645797, 1291594, 1937391, 2583188, 3228985, 3874782, 5166376, 6457970, 7749564, 9686955, 10332752, 12915940, 15499128, 19373910, 25831880, 30998256, 38747820, 51663760, 77495640, 154991280]

約数ペア:

[(1, 154991280), (2, 77495640), (3, 51663760), (4, 38747820), (5, 30998256), (6, 25831880), (8, 19373910), (10, 15499128), (12, 12915940), (15, 10332752), (16, 9686955), (20, 7749564), (24, 6457970), (30, 5166376), (40, 3874782), (48, 3228985), (60, 2583188), (80, 1937391), (120, 1291594), (240, 645797), (661, 234480), (977, 158640), (1322, 117240), (1954, 79320), (1983, 78160), (2644, 58620), (2931, 52880), (3305, 46896), (3908, 39660), (3966, 39080), (4885, 31728), (5288, 29310), (5862, 26440), (6610, 23448), (7816, 19830), (7932, 19540), (9770, 15864), (9915, 15632), (10576, 14655), (11724, 13220)]