128554440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{21863}}^1$

素因数の和:21891

約数の個数: 96

約数和(自身を含む): 448649280

約数和(自身を除く): 320094840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 21863, 43726, 65589, 87452, 109315, 131178, 153041, 174904, 218630, 262356, 306082, 327945, 437260, 459123, 524712, 612164, 655890, 765205, 874520, 918246, 1071287, 1224328, 1311780, 1530410, 1836492, 2142574, 2295615, 2623560, 3060820, 3213861, 3672984, 4285148, 4591230, 5356435, 6121640, 6427722, 8570296, 9182460, 10712870, 12855444, 16069305, 18364920, 21425740, 25710888, 32138610, 42851480, 64277220, 128554440]

約数ペア:

[(1, 128554440), (2, 64277220), (3, 42851480), (4, 32138610), (5, 25710888), (6, 21425740), (7, 18364920), (8, 16069305), (10, 12855444), (12, 10712870), (14, 9182460), (15, 8570296), (20, 6427722), (21, 6121640), (24, 5356435), (28, 4591230), (30, 4285148), (35, 3672984), (40, 3213861), (42, 3060820), (49, 2623560), (56, 2295615), (60, 2142574), (70, 1836492), (84, 1530410), (98, 1311780), (105, 1224328), (120, 1071287), (140, 918246), (147, 874520), (168, 765205), (196, 655890), (210, 612164), (245, 524712), (280, 459123), (294, 437260), (392, 327945), (420, 306082), (490, 262356), (588, 218630), (735, 174904), (840, 153041), (980, 131178), (1176, 109315), (1470, 87452), (1960, 65589), (2940, 43726), (5880, 21863)]