31804640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 87272640

約数和(自身を除く): 55468000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 389, 511, 560, 584, 730, 778, 1022, 1120, 1168, 1460, 1556, 1945, 2044, 2336, 2555, 2723, 2920, 3112, 3890, 4088, 5110, 5446, 5840, 6224, 7780, 8176, 10220, 10892, 11680, 12448, 13615, 15560, 16352, 20440, 21784, 27230, 28397, 31120, 40880, 43568, 54460, 56794, 62240, 81760, 87136, 108920, 113588, 141985, 198779, 217840, 227176, 283970, 397558, 435680, 454352, 567940, 795116, 908704, 993895, 1135880, 1590232, 1987790, 2271760, 3180464, 3975580, 4543520, 6360928, 7951160, 15902320, 31804640]

約数ペア:

[(1, 31804640), (2, 15902320), (4, 7951160), (5, 6360928), (7, 4543520), (8, 3975580), (10, 3180464), (14, 2271760), (16, 1987790), (20, 1590232), (28, 1135880), (32, 993895), (35, 908704), (40, 795116), (56, 567940), (70, 454352), (73, 435680), (80, 397558), (112, 283970), (140, 227176), (146, 217840), (160, 198779), (224, 141985), (280, 113588), (292, 108920), (365, 87136), (389, 81760), (511, 62240), (560, 56794), (584, 54460), (730, 43568), (778, 40880), (1022, 31120), (1120, 28397), (1168, 27230), (1460, 21784), (1556, 20440), (1945, 16352), (2044, 15560), (2336, 13615), (2555, 12448), (2723, 11680), (2920, 10892), (3112, 10220), (3890, 8176), (4088, 7780), (5110, 6224), (5446, 5840)]