31883640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 101122560

約数和(自身を除く): 69238920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 167, 172, 185, 215, 222, 258, 296, 334, 344, 370, 430, 444, 501, 516, 555, 645, 668, 740, 835, 860, 888, 1002, 1032, 1110, 1290, 1336, 1480, 1591, 1670, 1720, 2004, 2220, 2505, 2580, 3182, 3340, 4008, 4440, 4773, 5010, 5160, 6179, 6364, 6680, 7181, 7955, 9546, 10020, 12358, 12728, 14362, 15910, 18537, 19092, 20040, 21543, 23865, 24716, 28724, 30895, 31820, 35905, 37074, 38184, 43086, 47730, 49432, 57448, 61790, 63640, 71810, 74148, 86172, 92685, 95460, 107715, 123580, 143620, 148296, 172344, 185370, 190920, 215430, 247160, 265697, 287240, 370740, 430860, 531394, 741480, 797091, 861720, 1062788, 1328485, 1594182, 2125576, 2656970, 3188364, 3985455, 5313940, 6376728, 7970910, 10627880, 15941820, 31883640]

約数ペア:

[(1, 31883640), (2, 15941820), (3, 10627880), (4, 7970910), (5, 6376728), (6, 5313940), (8, 3985455), (10, 3188364), (12, 2656970), (15, 2125576), (20, 1594182), (24, 1328485), (30, 1062788), (37, 861720), (40, 797091), (43, 741480), (60, 531394), (74, 430860), (86, 370740), (111, 287240), (120, 265697), (129, 247160), (148, 215430), (167, 190920), (172, 185370), (185, 172344), (215, 148296), (222, 143620), (258, 123580), (296, 107715), (334, 95460), (344, 92685), (370, 86172), (430, 74148), (444, 71810), (501, 63640), (516, 61790), (555, 57448), (645, 49432), (668, 47730), (740, 43086), (835, 38184), (860, 37074), (888, 35905), (1002, 31820), (1032, 30895), (1110, 28724), (1290, 24716), (1336, 23865), (1480, 21543), (1591, 20040), (1670, 19092), (1720, 18537), (2004, 15910), (2220, 14362), (2505, 12728), (2580, 12358), (3182, 10020), (3340, 9546), (4008, 7955), (4440, 7181), (4773, 6680), (5010, 6364), (5160, 6179)]