311346840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21803}}^1$

素因数の和:21841

約数の個数: 128

約数和(自身を含む): 1130319360

約数和(自身を除く): 818972520

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, 2380, 2856, 3570, 4760, 7140, 14280, 21803, 43606, 65409, 87212, 109015, 130818, 152621, 174424, 218030, 261636, 305242, 327045, 370651, 436060, 457863, 523272, 610484, 654090, 741302, 763105, 872120, 915726, 1111953, 1220968, 1308180, 1482604, 1526210, 1831452, 1853255, 2223906, 2289315, 2594557, 2616360, 2965208, 3052420, 3662904, 3706510, 4447812, 4578630, 5189114, 5559765, 6104840, 7413020, 7783671, 8895624, 9157260, 10378228, 11119530, 12972785, 14826040, 15567342, 18314520, 20756456, 22239060, 25945570, 31134684, 38918355, 44478120, 51891140, 62269368, 77836710, 103782280, 155673420, 311346840]

約数ペア:

[(1, 311346840), (2, 155673420), (3, 103782280), (4, 77836710), (5, 62269368), (6, 51891140), (7, 44478120), (8, 38918355), (10, 31134684), (12, 25945570), (14, 22239060), (15, 20756456), (17, 18314520), (20, 15567342), (21, 14826040), (24, 12972785), (28, 11119530), (30, 10378228), (34, 9157260), (35, 8895624), (40, 7783671), (42, 7413020), (51, 6104840), (56, 5559765), (60, 5189114), (68, 4578630), (70, 4447812), (84, 3706510), (85, 3662904), (102, 3052420), (105, 2965208), (119, 2616360), (120, 2594557), (136, 2289315), (140, 2223906), (168, 1853255), (170, 1831452), (204, 1526210), (210, 1482604), (238, 1308180), (255, 1220968), (280, 1111953), (340, 915726), (357, 872120), (408, 763105), (420, 741302), (476, 654090), (510, 610484), (595, 523272), (680, 457863), (714, 436060), (840, 370651), (952, 327045), (1020, 305242), (1190, 261636), (1428, 218030), (1785, 174424), (2040, 152621), (2380, 130818), (2856, 109015), (3570, 87212), (4760, 65409), (7140, 43606), (14280, 21803)]