31751200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 86619456

約数和(自身を除く): 54868256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 65, 71, 80, 86, 100, 104, 130, 142, 160, 172, 200, 208, 215, 260, 284, 325, 344, 355, 400, 416, 430, 520, 559, 568, 650, 688, 710, 800, 860, 923, 1040, 1075, 1118, 1136, 1300, 1376, 1420, 1720, 1775, 1846, 2080, 2150, 2236, 2272, 2600, 2795, 2840, 3053, 3440, 3550, 3692, 4300, 4472, 4615, 5200, 5590, 5680, 6106, 6880, 7100, 7384, 8600, 8944, 9230, 10400, 11180, 11360, 12212, 13975, 14200, 14768, 15265, 17200, 17888, 18460, 22360, 23075, 24424, 27950, 28400, 29536, 30530, 34400, 36920, 39689, 44720, 46150, 48848, 55900, 56800, 61060, 73840, 76325, 79378, 89440, 92300, 97696, 111800, 122120, 147680, 152650, 158756, 184600, 198445, 223600, 244240, 305300, 317512, 369200, 396890, 447200, 488480, 610600, 635024, 738400, 793780, 992225, 1221200, 1270048, 1587560, 1984450, 2442400, 3175120, 3968900, 6350240, 7937800, 15875600, 31751200]

約数ペア:

[(1, 31751200), (2, 15875600), (4, 7937800), (5, 6350240), (8, 3968900), (10, 3175120), (13, 2442400), (16, 1984450), (20, 1587560), (25, 1270048), (26, 1221200), (32, 992225), (40, 793780), (43, 738400), (50, 635024), (52, 610600), (65, 488480), (71, 447200), (80, 396890), (86, 369200), (100, 317512), (104, 305300), (130, 244240), (142, 223600), (160, 198445), (172, 184600), (200, 158756), (208, 152650), (215, 147680), (260, 122120), (284, 111800), (325, 97696), (344, 92300), (355, 89440), (400, 79378), (416, 76325), (430, 73840), (520, 61060), (559, 56800), (568, 55900), (650, 48848), (688, 46150), (710, 44720), (800, 39689), (860, 36920), (923, 34400), (1040, 30530), (1075, 29536), (1118, 28400), (1136, 27950), (1300, 24424), (1376, 23075), (1420, 22360), (1720, 18460), (1775, 17888), (1846, 17200), (2080, 15265), (2150, 14768), (2236, 14200), (2272, 13975), (2600, 12212), (2795, 11360), (2840, 11180), (3053, 10400), (3440, 9230), (3550, 8944), (3692, 8600), (4300, 7384), (4472, 7100), (4615, 6880), (5200, 6106), (5590, 5680)]