87236480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4397}}^1$

素因数の和:4447

約数の個数: 64

約数和(自身を含む): 215326080

約数和(自身を除く): 128089600

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, 3968, 4397, 4960, 8794, 9920, 17588, 19840, 21985, 35176, 43970, 70352, 87940, 136307, 140704, 175880, 272614, 281408, 351760, 545228, 562816, 681535, 703520, 1090456, 1363070, 1407040, 2180912, 2726140, 2814080, 4361824, 5452280, 8723648, 10904560, 17447296, 21809120, 43618240, 87236480]

約数ペア:

[(1, 87236480), (2, 43618240), (4, 21809120), (5, 17447296), (8, 10904560), (10, 8723648), (16, 5452280), (20, 4361824), (31, 2814080), (32, 2726140), (40, 2180912), (62, 1407040), (64, 1363070), (80, 1090456), (124, 703520), (128, 681535), (155, 562816), (160, 545228), (248, 351760), (310, 281408), (320, 272614), (496, 175880), (620, 140704), (640, 136307), (992, 87940), (1240, 70352), (1984, 43970), (2480, 35176), (3968, 21985), (4397, 19840), (4960, 17588), (8794, 9920)]