2538960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 8035200

約数和(自身を除く): 5496240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 149, 213, 240, 284, 298, 355, 426, 447, 568, 596, 710, 745, 852, 894, 1065, 1136, 1192, 1420, 1490, 1704, 1788, 2130, 2235, 2384, 2840, 2980, 3408, 3576, 4260, 4470, 5680, 5960, 7152, 8520, 8940, 10579, 11920, 17040, 17880, 21158, 31737, 35760, 42316, 52895, 63474, 84632, 105790, 126948, 158685, 169264, 211580, 253896, 317370, 423160, 507792, 634740, 846320, 1269480, 2538960]

約数ペア:

[(1, 2538960), (2, 1269480), (3, 846320), (4, 634740), (5, 507792), (6, 423160), (8, 317370), (10, 253896), (12, 211580), (15, 169264), (16, 158685), (20, 126948), (24, 105790), (30, 84632), (40, 63474), (48, 52895), (60, 42316), (71, 35760), (80, 31737), (120, 21158), (142, 17880), (149, 17040), (213, 11920), (240, 10579), (284, 8940), (298, 8520), (355, 7152), (426, 5960), (447, 5680), (568, 4470), (596, 4260), (710, 3576), (745, 3408), (852, 2980), (894, 2840), (1065, 2384), (1136, 2235), (1192, 2130), (1420, 1788), (1490, 1704)]