31684380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 144

約数和(自身を含む): 111273120

約数和(自身を除く): 79588740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 829, 910, 980, 1092, 1274, 1365, 1470, 1658, 1820, 1911, 2487, 2548, 2730, 2940, 3185, 3316, 3822, 4145, 4974, 5460, 5803, 6370, 7644, 8290, 9555, 9948, 10777, 11606, 12435, 12740, 16580, 17409, 19110, 21554, 23212, 24870, 29015, 32331, 34818, 38220, 40621, 43108, 49740, 53885, 58030, 64662, 69636, 75439, 81242, 87045, 107770, 116060, 121863, 129324, 150878, 161655, 162484, 174090, 203105, 215540, 226317, 243726, 301756, 323310, 348180, 377195, 406210, 452634, 487452, 528073, 609315, 646620, 754390, 812420, 905268, 1056146, 1131585, 1218630, 1508780, 1584219, 2112292, 2263170, 2437260, 2640365, 3168438, 4526340, 5280730, 6336876, 7921095, 10561460, 15842190, 31684380]

約数ペア:

[(1, 31684380), (2, 15842190), (3, 10561460), (4, 7921095), (5, 6336876), (6, 5280730), (7, 4526340), (10, 3168438), (12, 2640365), (13, 2437260), (14, 2263170), (15, 2112292), (20, 1584219), (21, 1508780), (26, 1218630), (28, 1131585), (30, 1056146), (35, 905268), (39, 812420), (42, 754390), (49, 646620), (52, 609315), (60, 528073), (65, 487452), (70, 452634), (78, 406210), (84, 377195), (91, 348180), (98, 323310), (105, 301756), (130, 243726), (140, 226317), (147, 215540), (156, 203105), (182, 174090), (195, 162484), (196, 161655), (210, 150878), (245, 129324), (260, 121863), (273, 116060), (294, 107770), (364, 87045), (390, 81242), (420, 75439), (455, 69636), (490, 64662), (546, 58030), (588, 53885), (637, 49740), (735, 43108), (780, 40621), (829, 38220), (910, 34818), (980, 32331), (1092, 29015), (1274, 24870), (1365, 23212), (1470, 21554), (1658, 19110), (1820, 17409), (1911, 16580), (2487, 12740), (2548, 12435), (2730, 11606), (2940, 10777), (3185, 9948), (3316, 9555), (3822, 8290), (4145, 7644), (4974, 6370), (5460, 5803)]