72696320

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 80

約数和(自身を含む): 177142680

約数和(自身を除く): 104446360

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, 1168, 1280, 1460, 1556, 1945, 2336, 2560, 2920, 3112, 3890, 4672, 5840, 6224, 7780, 9344, 11680, 12448, 15560, 18688, 23360, 24896, 28397, 31120, 37376, 46720, 49792, 56794, 62240, 93440, 99584, 113588, 124480, 141985, 186880, 199168, 227176, 248960, 283970, 454352, 497920, 567940, 908704, 995840, 1135880, 1817408, 2271760, 3634816, 4543520, 7269632, 9087040, 14539264, 18174080, 36348160, 72696320]

約数ペア:

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