72832640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3721

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 106948480

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, 3671, 3968, 4960, 7342, 9920, 14684, 18355, 19840, 29368, 36710, 58736, 73420, 113801, 117472, 146840, 227602, 234944, 293680, 455204, 469888, 569005, 587360, 910408, 1138010, 1174720, 1820816, 2276020, 2349440, 3641632, 4552040, 7283264, 9104080, 14566528, 18208160, 36416320, 72832640]

約数ペア:

[(1, 72832640), (2, 36416320), (4, 18208160), (5, 14566528), (8, 9104080), (10, 7283264), (16, 4552040), (20, 3641632), (31, 2349440), (32, 2276020), (40, 1820816), (62, 1174720), (64, 1138010), (80, 910408), (124, 587360), (128, 569005), (155, 469888), (160, 455204), (248, 293680), (310, 234944), (320, 227602), (496, 146840), (620, 117472), (640, 113801), (992, 73420), (1240, 58736), (1984, 36710), (2480, 29368), (3671, 19840), (3968, 18355), (4960, 14684), (7342, 9920)]