131813240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 360495360

約数和(自身を除く): 228682120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 37, 40, 52, 62, 65, 68, 74, 85, 104, 124, 130, 136, 148, 155, 169, 170, 185, 221, 248, 260, 296, 310, 338, 340, 370, 403, 442, 481, 520, 527, 620, 629, 676, 680, 740, 806, 845, 884, 962, 1054, 1105, 1147, 1240, 1258, 1352, 1480, 1612, 1690, 1768, 1924, 2015, 2108, 2210, 2294, 2405, 2516, 2635, 2873, 3145, 3224, 3380, 3848, 4030, 4216, 4420, 4588, 4810, 5032, 5239, 5270, 5735, 5746, 6253, 6290, 6760, 6851, 8060, 8177, 8840, 9176, 9620, 10478, 10540, 11470, 11492, 12506, 12580, 13702, 14365, 14911, 16120, 16354, 19240, 19499, 20956, 21080, 22940, 22984, 25012, 25160, 26195, 27404, 28730, 29822, 31265, 32708, 34255, 38998, 40885, 41912, 45880, 50024, 52390, 54808, 57460, 59644, 62530, 65416, 68510, 74555, 77996, 81770, 89063, 97495, 104780, 106301, 114920, 119288, 125060, 137020, 149110, 155992, 163540, 178126, 193843, 194990, 209560, 212602, 250120, 253487, 274040, 298220, 327080, 356252, 387686, 389980, 425204, 445315, 506974, 531505, 596440, 712504, 775372, 779960, 850408, 890630, 969215, 1013948, 1063010, 1267435, 1550744, 1781260, 1938430, 2027896, 2126020, 2534870, 3295331, 3562520, 3876860, 4252040, 5069740, 6590662, 7753720, 10139480, 13181324, 16476655, 26362648, 32953310, 65906620, 131813240]

約数ペア:

[(1, 131813240), (2, 65906620), (4, 32953310), (5, 26362648), (8, 16476655), (10, 13181324), (13, 10139480), (17, 7753720), (20, 6590662), (26, 5069740), (31, 4252040), (34, 3876860), (37, 3562520), (40, 3295331), (52, 2534870), (62, 2126020), (65, 2027896), (68, 1938430), (74, 1781260), (85, 1550744), (104, 1267435), (124, 1063010), (130, 1013948), (136, 969215), (148, 890630), (155, 850408), (169, 779960), (170, 775372), (185, 712504), (221, 596440), (248, 531505), (260, 506974), (296, 445315), (310, 425204), (338, 389980), (340, 387686), (370, 356252), (403, 327080), (442, 298220), (481, 274040), (520, 253487), (527, 250120), (620, 212602), (629, 209560), (676, 194990), (680, 193843), (740, 178126), (806, 163540), (845, 155992), (884, 149110), (962, 137020), (1054, 125060), (1105, 119288), (1147, 114920), (1240, 106301), (1258, 104780), (1352, 97495), (1480, 89063), (1612, 81770), (1690, 77996), (1768, 74555), (1924, 68510), (2015, 65416), (2108, 62530), (2210, 59644), (2294, 57460), (2405, 54808), (2516, 52390), (2635, 50024), (2873, 45880), (3145, 41912), (3224, 40885), (3380, 38998), (3848, 34255), (4030, 32708), (4216, 31265), (4420, 29822), (4588, 28730), (4810, 27404), (5032, 26195), (5239, 25160), (5270, 25012), (5735, 22984), (5746, 22940), (6253, 21080), (6290, 20956), (6760, 19499), (6851, 19240), (8060, 16354), (8177, 16120), (8840, 14911), (9176, 14365), (9620, 13702), (10478, 12580), (10540, 12506), (11470, 11492)]