131688180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 240

約数和(自身を含む): 459616080

約数和(自身を除く): 327927900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 37, 39, 45, 52, 54, 60, 65, 74, 78, 81, 90, 108, 111, 117, 130, 135, 148, 156, 162, 169, 180, 185, 195, 222, 234, 260, 270, 324, 333, 338, 351, 370, 390, 405, 444, 468, 481, 507, 540, 555, 585, 666, 676, 702, 740, 780, 810, 845, 962, 999, 1014, 1053, 1110, 1170, 1332, 1404, 1443, 1521, 1620, 1665, 1690, 1755, 1924, 1998, 2028, 2106, 2197, 2220, 2340, 2405, 2535, 2886, 2997, 3042, 3330, 3380, 3510, 3996, 4212, 4329, 4394, 4563, 4810, 4995, 5070, 5265, 5772, 5994, 6084, 6253, 6591, 6660, 7020, 7215, 7605, 8658, 8788, 9126, 9620, 9990, 10140, 10530, 10985, 11988, 12506, 12987, 13182, 13689, 14430, 14985, 15210, 17316, 18252, 18759, 19773, 19980, 21060, 21645, 21970, 22815, 25012, 25974, 26364, 27378, 28860, 29970, 30420, 31265, 32955, 37518, 38961, 39546, 43290, 43940, 45630, 51948, 54756, 56277, 59319, 59940, 62530, 64935, 65910, 68445, 75036, 77922, 79092, 81289, 86580, 91260, 93795, 98865, 112554, 118638, 125060, 129870, 131820, 136890, 155844, 162578, 168831, 177957, 187590, 194805, 197730, 225108, 237276, 243867, 259740, 273780, 281385, 296595, 325156, 337662, 355914, 375180, 389610, 395460, 406445, 487734, 506493, 562770, 593190, 675324, 711828, 731601, 779220, 812890, 844155, 889785, 975468, 1012986, 1125540, 1186380, 1219335, 1463202, 1625780, 1688310, 1779570, 2025972, 2194803, 2438670, 2532465, 2926404, 3376620, 3559140, 3658005, 4389606, 4877340, 5064930, 6584409, 7316010, 8779212, 10129860, 10974015, 13168818, 14632020, 21948030, 26337636, 32922045, 43896060, 65844090, 131688180]

約数ペア:

[(1, 131688180), (2, 65844090), (3, 43896060), (4, 32922045), (5, 26337636), (6, 21948030), (9, 14632020), (10, 13168818), (12, 10974015), (13, 10129860), (15, 8779212), (18, 7316010), (20, 6584409), (26, 5064930), (27, 4877340), (30, 4389606), (36, 3658005), (37, 3559140), (39, 3376620), (45, 2926404), (52, 2532465), (54, 2438670), (60, 2194803), (65, 2025972), (74, 1779570), (78, 1688310), (81, 1625780), (90, 1463202), (108, 1219335), (111, 1186380), (117, 1125540), (130, 1012986), (135, 975468), (148, 889785), (156, 844155), (162, 812890), (169, 779220), (180, 731601), (185, 711828), (195, 675324), (222, 593190), (234, 562770), (260, 506493), (270, 487734), (324, 406445), (333, 395460), (338, 389610), (351, 375180), (370, 355914), (390, 337662), (405, 325156), (444, 296595), (468, 281385), (481, 273780), (507, 259740), (540, 243867), (555, 237276), (585, 225108), (666, 197730), (676, 194805), (702, 187590), (740, 177957), (780, 168831), (810, 162578), (845, 155844), (962, 136890), (999, 131820), (1014, 129870), (1053, 125060), (1110, 118638), (1170, 112554), (1332, 98865), (1404, 93795), (1443, 91260), (1521, 86580), (1620, 81289), (1665, 79092), (1690, 77922), (1755, 75036), (1924, 68445), (1998, 65910), (2028, 64935), (2106, 62530), (2197, 59940), (2220, 59319), (2340, 56277), (2405, 54756), (2535, 51948), (2886, 45630), (2997, 43940), (3042, 43290), (3330, 39546), (3380, 38961), (3510, 37518), (3996, 32955), (4212, 31265), (4329, 30420), (4394, 29970), (4563, 28860), (4810, 27378), (4995, 26364), (5070, 25974), (5265, 25012), (5772, 22815), (5994, 21970), (6084, 21645), (6253, 21060), (6591, 19980), (6660, 19773), (7020, 18759), (7215, 18252), (7605, 17316), (8658, 15210), (8788, 14985), (9126, 14430), (9620, 13689), (9990, 13182), (10140, 12987), (10530, 12506), (10985, 11988)]