90192640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 223106688

約数和(自身を除く): 132914048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2273, 2480, 3968, 4546, 4960, 7936, 9092, 9920, 11365, 18184, 19840, 22730, 36368, 39680, 45460, 70463, 72736, 90920, 140926, 145472, 181840, 281852, 290944, 352315, 363680, 563704, 581888, 704630, 727360, 1127408, 1409260, 1454720, 2254816, 2818520, 2909440, 4509632, 5637040, 9019264, 11274080, 18038528, 22548160, 45096320, 90192640]

約数ペア:

[(1, 90192640), (2, 45096320), (4, 22548160), (5, 18038528), (8, 11274080), (10, 9019264), (16, 5637040), (20, 4509632), (31, 2909440), (32, 2818520), (40, 2254816), (62, 1454720), (64, 1409260), (80, 1127408), (124, 727360), (128, 704630), (155, 581888), (160, 563704), (248, 363680), (256, 352315), (310, 290944), (320, 281852), (496, 181840), (620, 145472), (640, 140926), (992, 90920), (1240, 72736), (1280, 70463), (1984, 45460), (2273, 39680), (2480, 36368), (3968, 22730), (4546, 19840), (4960, 18184), (7936, 11365), (9092, 9920)]