840157812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 2380815360

約数和(自身を除く): 1540657548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 191, 234, 241, 338, 351, 382, 468, 482, 507, 573, 676, 702, 723, 764, 964, 1014, 1146, 1404, 1446, 1521, 1719, 2028, 2169, 2292, 2483, 2892, 3042, 3133, 3438, 4338, 4563, 4966, 5157, 6084, 6266, 6507, 6876, 7449, 8676, 9126, 9399, 9932, 10314, 12532, 13014, 14898, 18252, 18798, 20628, 22347, 26028, 28197, 29796, 32279, 37596, 40729, 44694, 46031, 56394, 64558, 67041, 81458, 84591, 89388, 92062, 96837, 112788, 122187, 129116, 134082, 138093, 162916, 169182, 184124, 193674, 244374, 268164, 276186, 290511, 338364, 366561, 387348, 414279, 488748, 552372, 581022, 598403, 733122, 828558, 871533, 1099683, 1162044, 1196806, 1242837, 1466244, 1657116, 1743066, 1795209, 2199366, 2393612, 2485674, 3486132, 3590418, 4398732, 4971348, 5385627, 7180836, 7779239, 10771254, 15558478, 16156881, 21542508, 23337717, 31116956, 32313762, 46675434, 64627524, 70013151, 93350868, 140026302, 210039453, 280052604, 420078906, 840157812]

約数ペア:

[(1, 840157812), (2, 420078906), (3, 280052604), (4, 210039453), (6, 140026302), (9, 93350868), (12, 70013151), (13, 64627524), (18, 46675434), (26, 32313762), (27, 31116956), (36, 23337717), (39, 21542508), (52, 16156881), (54, 15558478), (78, 10771254), (108, 7779239), (117, 7180836), (156, 5385627), (169, 4971348), (191, 4398732), (234, 3590418), (241, 3486132), (338, 2485674), (351, 2393612), (382, 2199366), (468, 1795209), (482, 1743066), (507, 1657116), (573, 1466244), (676, 1242837), (702, 1196806), (723, 1162044), (764, 1099683), (964, 871533), (1014, 828558), (1146, 733122), (1404, 598403), (1446, 581022), (1521, 552372), (1719, 488748), (2028, 414279), (2169, 387348), (2292, 366561), (2483, 338364), (2892, 290511), (3042, 276186), (3133, 268164), (3438, 244374), (4338, 193674), (4563, 184124), (4966, 169182), (5157, 162916), (6084, 138093), (6266, 134082), (6507, 129116), (6876, 122187), (7449, 112788), (8676, 96837), (9126, 92062), (9399, 89388), (9932, 84591), (10314, 81458), (12532, 67041), (13014, 64558), (14898, 56394), (18252, 46031), (18798, 44694), (20628, 40729), (22347, 37596), (26028, 32279), (28197, 29796)]