1898815320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{86467}}^1$

素因数の和:86545

約数の個数: 96

約数和(自身を含む): 6272388720

約数和(自身を除く): 4373573400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 10980, 21960, 86467, 172934, 259401, 345868, 432335, 518802, 691736, 778203, 864670, 1037604, 1297005, 1556406, 1729340, 2075208, 2594010, 3112812, 3458680, 3891015, 5188020, 5274487, 6225624, 7782030, 10376040, 10548974, 15564060, 15823461, 21097948, 26372435, 31128120, 31646922, 42195896, 47470383, 52744870, 63293844, 79117305, 94940766, 105489740, 126587688, 158234610, 189881532, 210979480, 237351915, 316469220, 379763064, 474703830, 632938440, 949407660, 1898815320]

約数ペア:

[(1, 1898815320), (2, 949407660), (3, 632938440), (4, 474703830), (5, 379763064), (6, 316469220), (8, 237351915), (9, 210979480), (10, 189881532), (12, 158234610), (15, 126587688), (18, 105489740), (20, 94940766), (24, 79117305), (30, 63293844), (36, 52744870), (40, 47470383), (45, 42195896), (60, 31646922), (61, 31128120), (72, 26372435), (90, 21097948), (120, 15823461), (122, 15564060), (180, 10548974), (183, 10376040), (244, 7782030), (305, 6225624), (360, 5274487), (366, 5188020), (488, 3891015), (549, 3458680), (610, 3112812), (732, 2594010), (915, 2075208), (1098, 1729340), (1220, 1556406), (1464, 1297005), (1830, 1037604), (2196, 864670), (2440, 778203), (2745, 691736), (3660, 518802), (4392, 432335), (5490, 345868), (7320, 259401), (10980, 172934), (21960, 86467)]