28385760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4549}}^1$

素因数の和:4580

約数の個数: 96

約数和(自身を含む): 96314400

約数和(自身を除く): 67928640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 4549, 6240, 9098, 13647, 18196, 22745, 27294, 36392, 45490, 54588, 59137, 68235, 72784, 90980, 109176, 118274, 136470, 145568, 177411, 181960, 218352, 236548, 272940, 295685, 354822, 363920, 436704, 473096, 545880, 591370, 709644, 727840, 887055, 946192, 1091760, 1182740, 1419288, 1774110, 1892384, 2183520, 2365480, 2838576, 3548220, 4730960, 5677152, 7096440, 9461920, 14192880, 28385760]

約数ペア:

[(1, 28385760), (2, 14192880), (3, 9461920), (4, 7096440), (5, 5677152), (6, 4730960), (8, 3548220), (10, 2838576), (12, 2365480), (13, 2183520), (15, 1892384), (16, 1774110), (20, 1419288), (24, 1182740), (26, 1091760), (30, 946192), (32, 887055), (39, 727840), (40, 709644), (48, 591370), (52, 545880), (60, 473096), (65, 436704), (78, 363920), (80, 354822), (96, 295685), (104, 272940), (120, 236548), (130, 218352), (156, 181960), (160, 177411), (195, 145568), (208, 136470), (240, 118274), (260, 109176), (312, 90980), (390, 72784), (416, 68235), (480, 59137), (520, 54588), (624, 45490), (780, 36392), (1040, 27294), (1248, 22745), (1560, 18196), (2080, 13647), (3120, 9098), (4549, 6240)]