157439940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53551}}^1$

素因数の和:53577

約数の個数: 72

約数和(自身を含む): 512813952

約数和(自身を除く): 355374012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 53551, 107102, 160653, 214204, 267755, 321306, 374857, 535510, 642612, 749714, 803265, 1071020, 1124571, 1499428, 1606530, 1874285, 2249142, 2623999, 3213060, 3748570, 4498284, 5247998, 5622855, 7497140, 7871997, 10495996, 11245710, 13119995, 15743994, 22491420, 26239990, 31487988, 39359985, 52479980, 78719970, 157439940]

約数ペア:

[(1, 157439940), (2, 78719970), (3, 52479980), (4, 39359985), (5, 31487988), (6, 26239990), (7, 22491420), (10, 15743994), (12, 13119995), (14, 11245710), (15, 10495996), (20, 7871997), (21, 7497140), (28, 5622855), (30, 5247998), (35, 4498284), (42, 3748570), (49, 3213060), (60, 2623999), (70, 2249142), (84, 1874285), (98, 1606530), (105, 1499428), (140, 1124571), (147, 1071020), (196, 803265), (210, 749714), (245, 642612), (294, 535510), (420, 374857), (490, 321306), (588, 267755), (735, 214204), (980, 160653), (1470, 107102), (2940, 53551)]