145392640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 88

約数和(自身を含む): 354458520

約数和(自身を除く): 209065880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 389, 512, 584, 640, 730, 778, 1024, 1168, 1280, 1460, 1556, 1945, 2336, 2560, 2920, 3112, 3890, 4672, 5120, 5840, 6224, 7780, 9344, 11680, 12448, 15560, 18688, 23360, 24896, 28397, 31120, 37376, 46720, 49792, 56794, 62240, 74752, 93440, 99584, 113588, 124480, 141985, 186880, 199168, 227176, 248960, 283970, 373760, 398336, 454352, 497920, 567940, 908704, 995840, 1135880, 1817408, 1991680, 2271760, 3634816, 4543520, 7269632, 9087040, 14539264, 18174080, 29078528, 36348160, 72696320, 145392640]

約数ペア:

[(1, 145392640), (2, 72696320), (4, 36348160), (5, 29078528), (8, 18174080), (10, 14539264), (16, 9087040), (20, 7269632), (32, 4543520), (40, 3634816), (64, 2271760), (73, 1991680), (80, 1817408), (128, 1135880), (146, 995840), (160, 908704), (256, 567940), (292, 497920), (320, 454352), (365, 398336), (389, 373760), (512, 283970), (584, 248960), (640, 227176), (730, 199168), (778, 186880), (1024, 141985), (1168, 124480), (1280, 113588), (1460, 99584), (1556, 93440), (1945, 74752), (2336, 62240), (2560, 56794), (2920, 49792), (3112, 46720), (3890, 37376), (4672, 31120), (5120, 28397), (5840, 24896), (6224, 23360), (7780, 18688), (9344, 15560), (11680, 12448)]