73824640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 185215680

約数和(自身を除く): 111391040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 305, 310, 320, 488, 496, 610, 620, 640, 976, 992, 1220, 1240, 1891, 1952, 1984, 2440, 2480, 3721, 3782, 3904, 3968, 4880, 4960, 7442, 7564, 7808, 9455, 9760, 9920, 14884, 15128, 18605, 18910, 19520, 19840, 29768, 30256, 37210, 37820, 39040, 59536, 60512, 74420, 75640, 115351, 119072, 121024, 148840, 151280, 230702, 238144, 242048, 297680, 302560, 461404, 476288, 576755, 595360, 605120, 922808, 1153510, 1190720, 1210240, 1845616, 2307020, 2381440, 3691232, 4614040, 7382464, 9228080, 14764928, 18456160, 36912320, 73824640]

約数ペア:

[(1, 73824640), (2, 36912320), (4, 18456160), (5, 14764928), (8, 9228080), (10, 7382464), (16, 4614040), (20, 3691232), (31, 2381440), (32, 2307020), (40, 1845616), (61, 1210240), (62, 1190720), (64, 1153510), (80, 922808), (122, 605120), (124, 595360), (128, 576755), (155, 476288), (160, 461404), (244, 302560), (248, 297680), (305, 242048), (310, 238144), (320, 230702), (488, 151280), (496, 148840), (610, 121024), (620, 119072), (640, 115351), (976, 75640), (992, 74420), (1220, 60512), (1240, 59536), (1891, 39040), (1952, 37820), (1984, 37210), (2440, 30256), (2480, 29768), (3721, 19840), (3782, 19520), (3904, 18910), (3968, 18605), (4880, 15128), (4960, 14884), (7442, 9920), (7564, 9760), (7808, 9455)]