154871680

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4047

約数の個数: 64

約数和(自身を含む): 376404480

約数和(自身を除く): 221532800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 3967, 4880, 7808, 7934, 9760, 15868, 19520, 19835, 31736, 39040, 39670, 63472, 79340, 126944, 158680, 241987, 253888, 317360, 483974, 507776, 634720, 967948, 1209935, 1269440, 1935896, 2419870, 2538880, 3871792, 4839740, 7743584, 9679480, 15487168, 19358960, 30974336, 38717920, 77435840, 154871680]

約数ペア:

[(1, 154871680), (2, 77435840), (4, 38717920), (5, 30974336), (8, 19358960), (10, 15487168), (16, 9679480), (20, 7743584), (32, 4839740), (40, 3871792), (61, 2538880), (64, 2419870), (80, 1935896), (122, 1269440), (128, 1209935), (160, 967948), (244, 634720), (305, 507776), (320, 483974), (488, 317360), (610, 253888), (640, 241987), (976, 158680), (1220, 126944), (1952, 79340), (2440, 63472), (3904, 39670), (3967, 39040), (4880, 31736), (7808, 19835), (7934, 19520), (9760, 15868)]