131323640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 365783040

約数和(自身を除く): 234459400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 188, 235, 238, 280, 329, 340, 376, 470, 476, 587, 595, 658, 680, 799, 940, 952, 1174, 1190, 1316, 1598, 1645, 1880, 2348, 2380, 2632, 2935, 3196, 3290, 3995, 4109, 4696, 4760, 5593, 5870, 6392, 6580, 7990, 8218, 9979, 11186, 11740, 13160, 15980, 16436, 19958, 20545, 22372, 23480, 27589, 27965, 31960, 32872, 39916, 41090, 44744, 49895, 55178, 55930, 69853, 79832, 82180, 99790, 110356, 111860, 137945, 139706, 164360, 193123, 199580, 220712, 223720, 275890, 279412, 349265, 386246, 399160, 469013, 551780, 558824, 698530, 772492, 938026, 965615, 1103560, 1397060, 1544984, 1876052, 1931230, 2345065, 2794120, 3283091, 3752104, 3862460, 4690130, 6566182, 7724920, 9380260, 13132364, 16415455, 18760520, 26264728, 32830910, 65661820, 131323640]

約数ペア:

[(1, 131323640), (2, 65661820), (4, 32830910), (5, 26264728), (7, 18760520), (8, 16415455), (10, 13132364), (14, 9380260), (17, 7724920), (20, 6566182), (28, 4690130), (34, 3862460), (35, 3752104), (40, 3283091), (47, 2794120), (56, 2345065), (68, 1931230), (70, 1876052), (85, 1544984), (94, 1397060), (119, 1103560), (136, 965615), (140, 938026), (170, 772492), (188, 698530), (235, 558824), (238, 551780), (280, 469013), (329, 399160), (340, 386246), (376, 349265), (470, 279412), (476, 275890), (587, 223720), (595, 220712), (658, 199580), (680, 193123), (799, 164360), (940, 139706), (952, 137945), (1174, 111860), (1190, 110356), (1316, 99790), (1598, 82180), (1645, 79832), (1880, 69853), (2348, 55930), (2380, 55178), (2632, 49895), (2935, 44744), (3196, 41090), (3290, 39916), (3995, 32872), (4109, 31960), (4696, 27965), (4760, 27589), (5593, 23480), (5870, 22372), (6392, 20545), (6580, 19958), (7990, 16436), (8218, 15980), (9979, 13160), (11186, 11740)]