71781720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7207}}^1$

素因数の和:7304

約数の個数: 64

約数和(自身を含む): 217969920

約数和(自身を除く): 146188200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 7207, 9960, 14414, 21621, 28828, 36035, 43242, 57656, 72070, 86484, 108105, 144140, 172968, 216210, 288280, 432420, 598181, 864840, 1196362, 1794543, 2392724, 2990905, 3589086, 4785448, 5981810, 7178172, 8972715, 11963620, 14356344, 17945430, 23927240, 35890860, 71781720]

約数ペア:

[(1, 71781720), (2, 35890860), (3, 23927240), (4, 17945430), (5, 14356344), (6, 11963620), (8, 8972715), (10, 7178172), (12, 5981810), (15, 4785448), (20, 3589086), (24, 2990905), (30, 2392724), (40, 1794543), (60, 1196362), (83, 864840), (120, 598181), (166, 432420), (249, 288280), (332, 216210), (415, 172968), (498, 144140), (664, 108105), (830, 86484), (996, 72070), (1245, 57656), (1660, 43242), (1992, 36035), (2490, 28828), (3320, 21621), (4980, 14414), (7207, 9960)]