1668420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 5870592

約数和(自身を除く): 4202172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 115, 117, 124, 130, 138, 155, 156, 180, 186, 195, 207, 230, 234, 260, 276, 279, 299, 310, 345, 372, 390, 403, 414, 460, 465, 468, 558, 585, 598, 620, 690, 713, 780, 806, 828, 897, 930, 1035, 1116, 1170, 1196, 1209, 1380, 1395, 1426, 1495, 1612, 1794, 1860, 2015, 2070, 2139, 2340, 2418, 2691, 2790, 2852, 2990, 3565, 3588, 3627, 4030, 4140, 4278, 4485, 4836, 5382, 5580, 5980, 6045, 6417, 7130, 7254, 8060, 8556, 8970, 9269, 10695, 10764, 12090, 12834, 13455, 14260, 14508, 17940, 18135, 18538, 21390, 24180, 25668, 26910, 27807, 32085, 36270, 37076, 42780, 46345, 53820, 55614, 64170, 72540, 83421, 92690, 111228, 128340, 139035, 166842, 185380, 278070, 333684, 417105, 556140, 834210, 1668420]

約数ペア:

[(1, 1668420), (2, 834210), (3, 556140), (4, 417105), (5, 333684), (6, 278070), (9, 185380), (10, 166842), (12, 139035), (13, 128340), (15, 111228), (18, 92690), (20, 83421), (23, 72540), (26, 64170), (30, 55614), (31, 53820), (36, 46345), (39, 42780), (45, 37076), (46, 36270), (52, 32085), (60, 27807), (62, 26910), (65, 25668), (69, 24180), (78, 21390), (90, 18538), (92, 18135), (93, 17940), (115, 14508), (117, 14260), (124, 13455), (130, 12834), (138, 12090), (155, 10764), (156, 10695), (180, 9269), (186, 8970), (195, 8556), (207, 8060), (230, 7254), (234, 7130), (260, 6417), (276, 6045), (279, 5980), (299, 5580), (310, 5382), (345, 4836), (372, 4485), (390, 4278), (403, 4140), (414, 4030), (460, 3627), (465, 3588), (468, 3565), (558, 2990), (585, 2852), (598, 2790), (620, 2691), (690, 2418), (713, 2340), (780, 2139), (806, 2070), (828, 2015), (897, 1860), (930, 1794), (1035, 1612), (1116, 1495), (1170, 1426), (1196, 1395), (1209, 1380)]