81049800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10423

約数の個数: 96

約数和(自身を含む): 270607680

約数和(自身を除く): 189557880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 10391, 20782, 31173, 41564, 51955, 62346, 83128, 103910, 124692, 135083, 155865, 207820, 249384, 259775, 270166, 311730, 405249, 415640, 519550, 540332, 623460, 675415, 779325, 810498, 1039100, 1080664, 1246920, 1350830, 1558650, 1620996, 2026245, 2078200, 2701660, 3117300, 3241992, 3377075, 4052490, 5403320, 6234600, 6754150, 8104980, 10131225, 13508300, 16209960, 20262450, 27016600, 40524900, 81049800]

約数ペア:

[(1, 81049800), (2, 40524900), (3, 27016600), (4, 20262450), (5, 16209960), (6, 13508300), (8, 10131225), (10, 8104980), (12, 6754150), (13, 6234600), (15, 5403320), (20, 4052490), (24, 3377075), (25, 3241992), (26, 3117300), (30, 2701660), (39, 2078200), (40, 2026245), (50, 1620996), (52, 1558650), (60, 1350830), (65, 1246920), (75, 1080664), (78, 1039100), (100, 810498), (104, 779325), (120, 675415), (130, 623460), (150, 540332), (156, 519550), (195, 415640), (200, 405249), (260, 311730), (300, 270166), (312, 259775), (325, 249384), (390, 207820), (520, 155865), (600, 135083), (650, 124692), (780, 103910), (975, 83128), (1300, 62346), (1560, 51955), (1950, 41564), (2600, 31173), (3900, 20782), (7800, 10391)]