37978020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 116396280

約数和(自身を除く): 78418260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 2089, 3030, 3636, 4178, 4545, 6060, 6267, 8356, 9090, 10445, 12534, 18180, 18801, 20890, 25068, 31335, 37602, 41780, 62670, 75204, 94005, 125340, 188010, 210989, 376020, 421978, 632967, 843956, 1054945, 1265934, 1898901, 2109890, 2531868, 3164835, 3797802, 4219780, 6329670, 7595604, 9494505, 12659340, 18989010, 37978020]

約数ペア:

[(1, 37978020), (2, 18989010), (3, 12659340), (4, 9494505), (5, 7595604), (6, 6329670), (9, 4219780), (10, 3797802), (12, 3164835), (15, 2531868), (18, 2109890), (20, 1898901), (30, 1265934), (36, 1054945), (45, 843956), (60, 632967), (90, 421978), (101, 376020), (180, 210989), (202, 188010), (303, 125340), (404, 94005), (505, 75204), (606, 62670), (909, 41780), (1010, 37602), (1212, 31335), (1515, 25068), (1818, 20890), (2020, 18801), (2089, 18180), (3030, 12534), (3636, 10445), (4178, 9090), (4545, 8356), (6060, 6267)]