145744640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3725

約数の個数: 72

約数和(自身を含む): 360463488

約数和(自身を除く): 214718848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3673, 3968, 4960, 7346, 7936, 9920, 14692, 18365, 19840, 29384, 36730, 39680, 58768, 73460, 113863, 117536, 146920, 227726, 235072, 293840, 455452, 470144, 569315, 587680, 910904, 940288, 1138630, 1175360, 1821808, 2277260, 2350720, 3643616, 4554520, 4701440, 7287232, 9109040, 14574464, 18218080, 29148928, 36436160, 72872320, 145744640]

約数ペア:

[(1, 145744640), (2, 72872320), (4, 36436160), (5, 29148928), (8, 18218080), (10, 14574464), (16, 9109040), (20, 7287232), (31, 4701440), (32, 4554520), (40, 3643616), (62, 2350720), (64, 2277260), (80, 1821808), (124, 1175360), (128, 1138630), (155, 940288), (160, 910904), (248, 587680), (256, 569315), (310, 470144), (320, 455452), (496, 293840), (620, 235072), (640, 227726), (992, 146920), (1240, 117536), (1280, 113863), (1984, 73460), (2480, 58768), (3673, 39680), (3968, 36730), (4960, 29384), (7346, 19840), (7936, 18365), (9920, 14692)]