81472960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 205996032

約数和(自身を除く): 124523072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 191, 215, 248, 310, 320, 344, 382, 430, 496, 620, 688, 764, 860, 955, 992, 1240, 1333, 1376, 1528, 1720, 1910, 1984, 2480, 2666, 2752, 3056, 3440, 3820, 4960, 5332, 5921, 6112, 6665, 6880, 7640, 8213, 9920, 10664, 11842, 12224, 13330, 13760, 15280, 16426, 21328, 23684, 26660, 29605, 30560, 32852, 41065, 42656, 47368, 53320, 59210, 61120, 65704, 82130, 85312, 94736, 106640, 118420, 131408, 164260, 189472, 213280, 236840, 254603, 262816, 328520, 378944, 426560, 473680, 509206, 525632, 657040, 947360, 1018412, 1273015, 1314080, 1894720, 2036824, 2546030, 2628160, 4073648, 5092060, 8147296, 10184120, 16294592, 20368240, 40736480, 81472960]

約数ペア:

[(1, 81472960), (2, 40736480), (4, 20368240), (5, 16294592), (8, 10184120), (10, 8147296), (16, 5092060), (20, 4073648), (31, 2628160), (32, 2546030), (40, 2036824), (43, 1894720), (62, 1314080), (64, 1273015), (80, 1018412), (86, 947360), (124, 657040), (155, 525632), (160, 509206), (172, 473680), (191, 426560), (215, 378944), (248, 328520), (310, 262816), (320, 254603), (344, 236840), (382, 213280), (430, 189472), (496, 164260), (620, 131408), (688, 118420), (764, 106640), (860, 94736), (955, 85312), (992, 82130), (1240, 65704), (1333, 61120), (1376, 59210), (1528, 53320), (1720, 47368), (1910, 42656), (1984, 41065), (2480, 32852), (2666, 30560), (2752, 29605), (3056, 26660), (3440, 23684), (3820, 21328), (4960, 16426), (5332, 15280), (5921, 13760), (6112, 13330), (6665, 12224), (6880, 11842), (7640, 10664), (8213, 9920)]