72872320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3723

約数の個数: 64

約数和(自身を含む): 179879040

約数和(自身を除く): 107006720

約数列:

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

約数ペア:

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