31086900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2690

約数の個数: 108

約数和(自身を含む): 104975052

約数和(自身を除く): 73888152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2657, 2925, 3900, 5314, 5850, 7971, 10628, 11700, 13285, 15942, 23913, 26570, 31884, 34541, 39855, 47826, 53140, 66425, 69082, 79710, 95652, 103623, 119565, 132850, 138164, 159420, 172705, 199275, 207246, 239130, 265700, 310869, 345410, 398550, 414492, 478260, 518115, 597825, 621738, 690820, 797100, 863525, 1036230, 1195650, 1243476, 1554345, 1727050, 2072460, 2391300, 2590575, 3108690, 3454100, 5181150, 6217380, 7771725, 10362300, 15543450, 31086900]

約数ペア:

[(1, 31086900), (2, 15543450), (3, 10362300), (4, 7771725), (5, 6217380), (6, 5181150), (9, 3454100), (10, 3108690), (12, 2590575), (13, 2391300), (15, 2072460), (18, 1727050), (20, 1554345), (25, 1243476), (26, 1195650), (30, 1036230), (36, 863525), (39, 797100), (45, 690820), (50, 621738), (52, 597825), (60, 518115), (65, 478260), (75, 414492), (78, 398550), (90, 345410), (100, 310869), (117, 265700), (130, 239130), (150, 207246), (156, 199275), (180, 172705), (195, 159420), (225, 138164), (234, 132850), (260, 119565), (300, 103623), (325, 95652), (390, 79710), (450, 69082), (468, 66425), (585, 53140), (650, 47826), (780, 39855), (900, 34541), (975, 31884), (1170, 26570), (1300, 23913), (1950, 15942), (2340, 13285), (2657, 11700), (2925, 10628), (3900, 7971), (5314, 5850)]