398778120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28403}}^1$

素因数の和:28436

約数の個数: 128

約数和(自身を含む): 1431561600

約数和(自身を除く): 1032783480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 28403, 56806, 85209, 113612, 142015, 170418, 227224, 255627, 284030, 340836, 369239, 426045, 511254, 568060, 681672, 738478, 766881, 852090, 1022508, 1107717, 1136120, 1278135, 1476956, 1533762, 1704180, 1846195, 2045016, 2215434, 2556270, 2953912, 3067524, 3323151, 3408360, 3692390, 3834405, 4430868, 5112540, 5538585, 6135048, 6646302, 7384780, 7668810, 8861736, 9969453, 10225080, 11077170, 13292604, 14769560, 15337620, 16615755, 19938906, 22154340, 26585208, 30675240, 33231510, 39877812, 44308680, 49847265, 66463020, 79755624, 99694530, 132926040, 199389060, 398778120]

約数ペア:

[(1, 398778120), (2, 199389060), (3, 132926040), (4, 99694530), (5, 79755624), (6, 66463020), (8, 49847265), (9, 44308680), (10, 39877812), (12, 33231510), (13, 30675240), (15, 26585208), (18, 22154340), (20, 19938906), (24, 16615755), (26, 15337620), (27, 14769560), (30, 13292604), (36, 11077170), (39, 10225080), (40, 9969453), (45, 8861736), (52, 7668810), (54, 7384780), (60, 6646302), (65, 6135048), (72, 5538585), (78, 5112540), (90, 4430868), (104, 3834405), (108, 3692390), (117, 3408360), (120, 3323151), (130, 3067524), (135, 2953912), (156, 2556270), (180, 2215434), (195, 2045016), (216, 1846195), (234, 1704180), (260, 1533762), (270, 1476956), (312, 1278135), (351, 1136120), (360, 1107717), (390, 1022508), (468, 852090), (520, 766881), (540, 738478), (585, 681672), (702, 568060), (780, 511254), (936, 426045), (1080, 369239), (1170, 340836), (1404, 284030), (1560, 255627), (1755, 227224), (2340, 170418), (2808, 142015), (3510, 113612), (4680, 85209), (7020, 56806), (14040, 28403)]