72789760

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 190582560

約数和(自身を除く): 117792800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 73, 76, 80, 82, 95, 128, 146, 152, 160, 164, 190, 205, 256, 292, 304, 320, 328, 365, 380, 410, 584, 608, 640, 656, 730, 760, 779, 820, 1168, 1216, 1280, 1312, 1387, 1460, 1520, 1558, 1640, 2336, 2432, 2624, 2774, 2920, 2993, 3040, 3116, 3280, 3895, 4672, 4864, 5248, 5548, 5840, 5986, 6080, 6232, 6560, 6935, 7790, 9344, 10496, 11096, 11680, 11972, 12160, 12464, 13120, 13870, 14965, 15580, 18688, 22192, 23360, 23944, 24320, 24928, 26240, 27740, 29930, 31160, 44384, 46720, 47888, 49856, 52480, 55480, 56867, 59860, 62320, 88768, 93440, 95776, 99712, 110960, 113734, 119720, 124640, 177536, 191552, 199424, 221920, 227468, 239440, 249280, 284335, 355072, 383104, 443840, 454936, 478880, 498560, 568670, 766208, 887680, 909872, 957760, 997120, 1137340, 1775360, 1819744, 1915520, 2274680, 3639488, 3831040, 4549360, 7278976, 9098720, 14557952, 18197440, 36394880, 72789760]

約数ペア:

[(1, 72789760), (2, 36394880), (4, 18197440), (5, 14557952), (8, 9098720), (10, 7278976), (16, 4549360), (19, 3831040), (20, 3639488), (32, 2274680), (38, 1915520), (40, 1819744), (41, 1775360), (64, 1137340), (73, 997120), (76, 957760), (80, 909872), (82, 887680), (95, 766208), (128, 568670), (146, 498560), (152, 478880), (160, 454936), (164, 443840), (190, 383104), (205, 355072), (256, 284335), (292, 249280), (304, 239440), (320, 227468), (328, 221920), (365, 199424), (380, 191552), (410, 177536), (584, 124640), (608, 119720), (640, 113734), (656, 110960), (730, 99712), (760, 95776), (779, 93440), (820, 88768), (1168, 62320), (1216, 59860), (1280, 56867), (1312, 55480), (1387, 52480), (1460, 49856), (1520, 47888), (1558, 46720), (1640, 44384), (2336, 31160), (2432, 29930), (2624, 27740), (2774, 26240), (2920, 24928), (2993, 24320), (3040, 23944), (3116, 23360), (3280, 22192), (3895, 18688), (4672, 15580), (4864, 14965), (5248, 13870), (5548, 13120), (5840, 12464), (5986, 12160), (6080, 11972), (6232, 11680), (6560, 11096), (6935, 10496), (7790, 9344)]