30813900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 96025104

約数和(自身を除く): 65211204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7901, 15802, 23703, 31604, 39505, 47406, 79010, 94812, 102713, 118515, 158020, 197525, 205426, 237030, 308139, 395050, 410852, 474060, 513565, 592575, 616278, 790100, 1027130, 1185150, 1232556, 1540695, 2054260, 2370300, 2567825, 3081390, 5135650, 6162780, 7703475, 10271300, 15406950, 30813900]

約数ペア:

[(1, 30813900), (2, 15406950), (3, 10271300), (4, 7703475), (5, 6162780), (6, 5135650), (10, 3081390), (12, 2567825), (13, 2370300), (15, 2054260), (20, 1540695), (25, 1232556), (26, 1185150), (30, 1027130), (39, 790100), (50, 616278), (52, 592575), (60, 513565), (65, 474060), (75, 410852), (78, 395050), (100, 308139), (130, 237030), (150, 205426), (156, 197525), (195, 158020), (260, 118515), (300, 102713), (325, 94812), (390, 79010), (650, 47406), (780, 39505), (975, 31604), (1300, 23703), (1950, 15802), (3900, 7901)]