18174080

素因数分解:

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

素因数の和:481

約数の個数: 64

約数和(自身を含む): 44155800

約数和(自身を除く): 25981720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 389, 584, 640, 730, 778, 1168, 1460, 1556, 1945, 2336, 2920, 3112, 3890, 4672, 5840, 6224, 7780, 9344, 11680, 12448, 15560, 23360, 24896, 28397, 31120, 46720, 49792, 56794, 62240, 113588, 124480, 141985, 227176, 248960, 283970, 454352, 567940, 908704, 1135880, 1817408, 2271760, 3634816, 4543520, 9087040, 18174080]

約数ペア:

[(1, 18174080), (2, 9087040), (4, 4543520), (5, 3634816), (8, 2271760), (10, 1817408), (16, 1135880), (20, 908704), (32, 567940), (40, 454352), (64, 283970), (73, 248960), (80, 227176), (128, 141985), (146, 124480), (160, 113588), (292, 62240), (320, 56794), (365, 49792), (389, 46720), (584, 31120), (640, 28397), (730, 24896), (778, 23360), (1168, 15560), (1460, 12448), (1556, 11680), (1945, 9344), (2336, 7780), (2920, 6224), (3112, 5840), (3890, 4672)]