327429440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2600

約数の個数: 112

約数和(自身を含む): 867095040

約数和(自身を除く): 539665600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 2539, 3224, 4030, 4160, 4960, 5078, 6448, 8060, 9920, 10156, 12695, 12896, 16120, 20312, 25390, 25792, 32240, 33007, 40624, 50780, 64480, 66014, 78709, 81248, 101560, 128960, 132028, 157418, 162496, 165035, 203120, 264056, 314836, 330070, 393545, 406240, 528112, 629672, 660140, 787090, 812480, 1023217, 1056224, 1259344, 1320280, 1574180, 2046434, 2112448, 2518688, 2640560, 3148360, 4092868, 5037376, 5116085, 5281120, 6296720, 8185736, 10232170, 10562240, 12593440, 16371472, 20464340, 25186880, 32742944, 40928680, 65485888, 81857360, 163714720, 327429440]

約数ペア:

[(1, 327429440), (2, 163714720), (4, 81857360), (5, 65485888), (8, 40928680), (10, 32742944), (13, 25186880), (16, 20464340), (20, 16371472), (26, 12593440), (31, 10562240), (32, 10232170), (40, 8185736), (52, 6296720), (62, 5281120), (64, 5116085), (65, 5037376), (80, 4092868), (104, 3148360), (124, 2640560), (130, 2518688), (155, 2112448), (160, 2046434), (208, 1574180), (248, 1320280), (260, 1259344), (310, 1056224), (320, 1023217), (403, 812480), (416, 787090), (496, 660140), (520, 629672), (620, 528112), (806, 406240), (832, 393545), (992, 330070), (1040, 314836), (1240, 264056), (1612, 203120), (1984, 165035), (2015, 162496), (2080, 157418), (2480, 132028), (2539, 128960), (3224, 101560), (4030, 81248), (4160, 78709), (4960, 66014), (5078, 64480), (6448, 50780), (8060, 40624), (9920, 33007), (10156, 32240), (12695, 25792), (12896, 25390), (16120, 20312)]