72158080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3637}}^1$

素因数の和:3687

約数の個数: 64

約数和(自身を含む): 178116480

約数和(自身を除く): 105958400

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, 3637, 3968, 4960, 7274, 9920, 14548, 18185, 19840, 29096, 36370, 58192, 72740, 112747, 116384, 145480, 225494, 232768, 290960, 450988, 465536, 563735, 581920, 901976, 1127470, 1163840, 1803952, 2254940, 2327680, 3607904, 4509880, 7215808, 9019760, 14431616, 18039520, 36079040, 72158080]

約数ペア:

[(1, 72158080), (2, 36079040), (4, 18039520), (5, 14431616), (8, 9019760), (10, 7215808), (16, 4509880), (20, 3607904), (31, 2327680), (32, 2254940), (40, 1803952), (62, 1163840), (64, 1127470), (80, 901976), (124, 581920), (128, 563735), (155, 465536), (160, 450988), (248, 290960), (310, 232768), (320, 225494), (496, 145480), (620, 116384), (640, 112747), (992, 72740), (1240, 58192), (1984, 36370), (2480, 29096), (3637, 19840), (3968, 18185), (4960, 14548), (7274, 9920)]