31515960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2245

約数の個数: 128

約数和(自身を含む): 114462720

約数和(自身を除く): 82946760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2207, 2380, 2856, 3570, 4414, 4760, 6621, 7140, 8828, 11035, 13242, 14280, 15449, 17656, 22070, 26484, 30898, 33105, 37519, 44140, 46347, 52968, 61796, 66210, 75038, 77245, 88280, 92694, 112557, 123592, 132420, 150076, 154490, 185388, 187595, 225114, 231735, 262633, 264840, 300152, 308980, 370776, 375190, 450228, 463470, 525266, 562785, 617960, 750380, 787899, 900456, 926940, 1050532, 1125570, 1313165, 1500760, 1575798, 1853880, 2101064, 2251140, 2626330, 3151596, 3939495, 4502280, 5252660, 6303192, 7878990, 10505320, 15757980, 31515960]

約数ペア:

[(1, 31515960), (2, 15757980), (3, 10505320), (4, 7878990), (5, 6303192), (6, 5252660), (7, 4502280), (8, 3939495), (10, 3151596), (12, 2626330), (14, 2251140), (15, 2101064), (17, 1853880), (20, 1575798), (21, 1500760), (24, 1313165), (28, 1125570), (30, 1050532), (34, 926940), (35, 900456), (40, 787899), (42, 750380), (51, 617960), (56, 562785), (60, 525266), (68, 463470), (70, 450228), (84, 375190), (85, 370776), (102, 308980), (105, 300152), (119, 264840), (120, 262633), (136, 231735), (140, 225114), (168, 187595), (170, 185388), (204, 154490), (210, 150076), (238, 132420), (255, 123592), (280, 112557), (340, 92694), (357, 88280), (408, 77245), (420, 75038), (476, 66210), (510, 61796), (595, 52968), (680, 46347), (714, 44140), (840, 37519), (952, 33105), (1020, 30898), (1190, 26484), (1428, 22070), (1785, 17656), (2040, 15449), (2207, 14280), (2380, 13242), (2856, 11035), (3570, 8828), (4414, 7140), (4760, 6621)]