278615520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1013}}^1$

素因数の和:1225

約数の個数: 144

約数和(自身を含む): 956696832

約数和(自身を除く): 678081312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 191, 240, 288, 360, 382, 480, 573, 720, 764, 955, 1013, 1146, 1440, 1528, 1719, 1910, 2026, 2292, 2865, 3039, 3056, 3438, 3820, 4052, 4584, 5065, 5730, 6078, 6112, 6876, 7640, 8104, 8595, 9117, 9168, 10130, 11460, 12156, 13752, 15195, 15280, 16208, 17190, 18234, 18336, 20260, 22920, 24312, 27504, 30390, 30560, 32416, 34380, 36468, 40520, 45585, 45840, 48624, 55008, 60780, 68760, 72936, 81040, 91170, 91680, 97248, 121560, 137520, 145872, 162080, 182340, 193483, 243120, 275040, 291744, 364680, 386966, 486240, 580449, 729360, 773932, 967415, 1160898, 1458720, 1547864, 1741347, 1934830, 2321796, 2902245, 3095728, 3482694, 3869660, 4643592, 5804490, 6191456, 6965388, 7739320, 8706735, 9287184, 11608980, 13930776, 15478640, 17413470, 18574368, 23217960, 27861552, 30957280, 34826940, 46435920, 55723104, 69653880, 92871840, 139307760, 278615520]

約数ペア:

[(1, 278615520), (2, 139307760), (3, 92871840), (4, 69653880), (5, 55723104), (6, 46435920), (8, 34826940), (9, 30957280), (10, 27861552), (12, 23217960), (15, 18574368), (16, 17413470), (18, 15478640), (20, 13930776), (24, 11608980), (30, 9287184), (32, 8706735), (36, 7739320), (40, 6965388), (45, 6191456), (48, 5804490), (60, 4643592), (72, 3869660), (80, 3482694), (90, 3095728), (96, 2902245), (120, 2321796), (144, 1934830), (160, 1741347), (180, 1547864), (191, 1458720), (240, 1160898), (288, 967415), (360, 773932), (382, 729360), (480, 580449), (573, 486240), (720, 386966), (764, 364680), (955, 291744), (1013, 275040), (1146, 243120), (1440, 193483), (1528, 182340), (1719, 162080), (1910, 145872), (2026, 137520), (2292, 121560), (2865, 97248), (3039, 91680), (3056, 91170), (3438, 81040), (3820, 72936), (4052, 68760), (4584, 60780), (5065, 55008), (5730, 48624), (6078, 45840), (6112, 45585), (6876, 40520), (7640, 36468), (8104, 34380), (8595, 32416), (9117, 30560), (9168, 30390), (10130, 27504), (11460, 24312), (12156, 22920), (13752, 20260), (15195, 18336), (15280, 18234), (16208, 17190)]