123377840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1093}}^1$

素因数の和:1206

約数の個数: 80

約数和(自身を含む): 307667808

約数和(自身を除く): 184289968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 332, 340, 415, 664, 680, 830, 1093, 1328, 1360, 1411, 1660, 2186, 2822, 3320, 4372, 5465, 5644, 6640, 7055, 8744, 10930, 11288, 14110, 17488, 18581, 21860, 22576, 28220, 37162, 43720, 56440, 74324, 87440, 90719, 92905, 112880, 148648, 181438, 185810, 297296, 362876, 371620, 453595, 725752, 743240, 907190, 1451504, 1486480, 1542223, 1814380, 3084446, 3628760, 6168892, 7257520, 7711115, 12337784, 15422230, 24675568, 30844460, 61688920, 123377840]

約数ペア:

[(1, 123377840), (2, 61688920), (4, 30844460), (5, 24675568), (8, 15422230), (10, 12337784), (16, 7711115), (17, 7257520), (20, 6168892), (34, 3628760), (40, 3084446), (68, 1814380), (80, 1542223), (83, 1486480), (85, 1451504), (136, 907190), (166, 743240), (170, 725752), (272, 453595), (332, 371620), (340, 362876), (415, 297296), (664, 185810), (680, 181438), (830, 148648), (1093, 112880), (1328, 92905), (1360, 90719), (1411, 87440), (1660, 74324), (2186, 56440), (2822, 43720), (3320, 37162), (4372, 28220), (5465, 22576), (5644, 21860), (6640, 18581), (7055, 17488), (8744, 14110), (10930, 11288)]