72477540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1531}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 220828608

約数和(自身を除く): 148351068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1531, 1578, 2367, 2630, 3062, 3156, 3945, 4593, 4734, 5260, 6124, 7655, 7890, 9186, 9468, 11835, 13779, 15310, 15780, 18372, 22965, 23670, 27558, 30620, 45930, 47340, 55116, 68895, 91860, 137790, 275580, 402653, 805306, 1207959, 1610612, 2013265, 2415918, 3623877, 4026530, 4831836, 6039795, 7247754, 8053060, 12079590, 14495508, 18119385, 24159180, 36238770, 72477540]

約数ペア:

[(1, 72477540), (2, 36238770), (3, 24159180), (4, 18119385), (5, 14495508), (6, 12079590), (9, 8053060), (10, 7247754), (12, 6039795), (15, 4831836), (18, 4026530), (20, 3623877), (30, 2415918), (36, 2013265), (45, 1610612), (60, 1207959), (90, 805306), (180, 402653), (263, 275580), (526, 137790), (789, 91860), (1052, 68895), (1315, 55116), (1531, 47340), (1578, 45930), (2367, 30620), (2630, 27558), (3062, 23670), (3156, 22965), (3945, 18372), (4593, 15780), (4734, 15310), (5260, 13779), (6124, 11835), (7655, 9468), (7890, 9186)]