81907800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10501}}^1$

素因数の和:10533

約数の個数: 96

約数和(自身を含む): 273472080

約数和(自身を除く): 191564280

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, 10501, 21002, 31503, 42004, 52505, 63006, 84008, 105010, 126012, 136513, 157515, 210020, 252024, 262525, 273026, 315030, 409539, 420040, 525050, 546052, 630060, 682565, 787575, 819078, 1050100, 1092104, 1260120, 1365130, 1575150, 1638156, 2047695, 2100200, 2730260, 3150300, 3276312, 3412825, 4095390, 5460520, 6300600, 6825650, 8190780, 10238475, 13651300, 16381560, 20476950, 27302600, 40953900, 81907800]

約数ペア:

[(1, 81907800), (2, 40953900), (3, 27302600), (4, 20476950), (5, 16381560), (6, 13651300), (8, 10238475), (10, 8190780), (12, 6825650), (13, 6300600), (15, 5460520), (20, 4095390), (24, 3412825), (25, 3276312), (26, 3150300), (30, 2730260), (39, 2100200), (40, 2047695), (50, 1638156), (52, 1575150), (60, 1365130), (65, 1260120), (75, 1092104), (78, 1050100), (100, 819078), (104, 787575), (120, 682565), (130, 630060), (150, 546052), (156, 525050), (195, 420040), (200, 409539), (260, 315030), (300, 273026), (312, 262525), (325, 252024), (390, 210020), (520, 157515), (600, 136513), (650, 126012), (780, 105010), (975, 84008), (1300, 63006), (1560, 52505), (1950, 42004), (2600, 31503), (3900, 21002), (7800, 10501)]