81467640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:574

約数の個数: 128

約数和(自身を含む): 273556800

約数和(自身を除く): 192089160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 241, 270, 313, 360, 482, 540, 626, 723, 939, 964, 1080, 1205, 1252, 1446, 1565, 1878, 1928, 2169, 2410, 2504, 2817, 2892, 3130, 3615, 3756, 4338, 4695, 4820, 5634, 5784, 6260, 6507, 7230, 7512, 8451, 8676, 9390, 9640, 10845, 11268, 12520, 13014, 14085, 14460, 16902, 17352, 18780, 21690, 22536, 26028, 28170, 28920, 32535, 33804, 37560, 42255, 43380, 52056, 56340, 65070, 67608, 75433, 84510, 86760, 112680, 130140, 150866, 169020, 226299, 260280, 301732, 338040, 377165, 452598, 603464, 678897, 754330, 905196, 1131495, 1357794, 1508660, 1810392, 2036691, 2262990, 2715588, 3017320, 3394485, 4073382, 4525980, 5431176, 6788970, 8146764, 9051960, 10183455, 13577940, 16293528, 20366910, 27155880, 40733820, 81467640]

約数ペア:

[(1, 81467640), (2, 40733820), (3, 27155880), (4, 20366910), (5, 16293528), (6, 13577940), (8, 10183455), (9, 9051960), (10, 8146764), (12, 6788970), (15, 5431176), (18, 4525980), (20, 4073382), (24, 3394485), (27, 3017320), (30, 2715588), (36, 2262990), (40, 2036691), (45, 1810392), (54, 1508660), (60, 1357794), (72, 1131495), (90, 905196), (108, 754330), (120, 678897), (135, 603464), (180, 452598), (216, 377165), (241, 338040), (270, 301732), (313, 260280), (360, 226299), (482, 169020), (540, 150866), (626, 130140), (723, 112680), (939, 86760), (964, 84510), (1080, 75433), (1205, 67608), (1252, 65070), (1446, 56340), (1565, 52056), (1878, 43380), (1928, 42255), (2169, 37560), (2410, 33804), (2504, 32535), (2817, 28920), (2892, 28170), (3130, 26028), (3615, 22536), (3756, 21690), (4338, 18780), (4695, 17352), (4820, 16902), (5634, 14460), (5784, 14085), (6260, 13014), (6507, 12520), (7230, 11268), (7512, 10845), (8451, 9640), (8676, 9390)]