518917140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1531}}^1$

素因数の和:1822

約数の個数: 144

約数和(自身を含む): 1806779520

約数和(自身を除く): 1287862380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 269, 315, 420, 538, 630, 807, 1076, 1260, 1345, 1531, 1614, 1883, 2421, 2690, 3062, 3228, 3766, 4035, 4593, 4842, 5380, 5649, 6124, 7532, 7655, 8070, 9186, 9415, 9684, 10717, 11298, 12105, 13779, 15310, 16140, 16947, 18372, 18830, 21434, 22596, 22965, 24210, 27558, 28245, 30620, 32151, 33894, 37660, 42868, 45930, 48420, 53585, 55116, 56490, 64302, 67788, 68895, 84735, 91860, 96453, 107170, 112980, 128604, 137790, 160755, 169470, 192906, 214340, 275580, 321510, 338940, 385812, 411839, 482265, 643020, 823678, 964530, 1235517, 1647356, 1929060, 2059195, 2471034, 2882873, 3706551, 4118390, 4942068, 5765746, 6177585, 7413102, 8236780, 8648619, 11531492, 12355170, 14414365, 14826204, 17297238, 18532755, 24710340, 25945857, 28828730, 34594476, 37065510, 43243095, 51891714, 57657460, 74131020, 86486190, 103783428, 129729285, 172972380, 259458570, 518917140]

約数ペア:

[(1, 518917140), (2, 259458570), (3, 172972380), (4, 129729285), (5, 103783428), (6, 86486190), (7, 74131020), (9, 57657460), (10, 51891714), (12, 43243095), (14, 37065510), (15, 34594476), (18, 28828730), (20, 25945857), (21, 24710340), (28, 18532755), (30, 17297238), (35, 14826204), (36, 14414365), (42, 12355170), (45, 11531492), (60, 8648619), (63, 8236780), (70, 7413102), (84, 6177585), (90, 5765746), (105, 4942068), (126, 4118390), (140, 3706551), (180, 2882873), (210, 2471034), (252, 2059195), (269, 1929060), (315, 1647356), (420, 1235517), (538, 964530), (630, 823678), (807, 643020), (1076, 482265), (1260, 411839), (1345, 385812), (1531, 338940), (1614, 321510), (1883, 275580), (2421, 214340), (2690, 192906), (3062, 169470), (3228, 160755), (3766, 137790), (4035, 128604), (4593, 112980), (4842, 107170), (5380, 96453), (5649, 91860), (6124, 84735), (7532, 68895), (7655, 67788), (8070, 64302), (9186, 56490), (9415, 55116), (9684, 53585), (10717, 48420), (11298, 45930), (12105, 42868), (13779, 37660), (15310, 33894), (16140, 32151), (16947, 30620), (18372, 28245), (18830, 27558), (21434, 24210), (22596, 22965)]