331377280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39829}}^1$

素因数の和:39861

約数の個数: 64

約数和(自身を含む): 853158600

約数和(自身を除く): 521781320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 39829, 79658, 159316, 199145, 318632, 398290, 517777, 637264, 796580, 1035554, 1274528, 1593160, 2071108, 2549056, 2588885, 3186320, 4142216, 5098112, 5177770, 6372640, 8284432, 10355540, 12745280, 16568864, 20711080, 25490560, 33137728, 41422160, 66275456, 82844320, 165688640, 331377280]

約数ペア:

[(1, 331377280), (2, 165688640), (4, 82844320), (5, 66275456), (8, 41422160), (10, 33137728), (13, 25490560), (16, 20711080), (20, 16568864), (26, 12745280), (32, 10355540), (40, 8284432), (52, 6372640), (64, 5177770), (65, 5098112), (80, 4142216), (104, 3186320), (128, 2588885), (130, 2549056), (160, 2071108), (208, 1593160), (260, 1274528), (320, 1035554), (416, 796580), (520, 637264), (640, 517777), (832, 398290), (1040, 318632), (1664, 199145), (2080, 159316), (4160, 79658), (8320, 39829)]