31369860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 96749016

約数和(自身を除く): 65379156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 2857, 3660, 5490, 5714, 8571, 10980, 11428, 14285, 17142, 25713, 28570, 34284, 42855, 51426, 57140, 85710, 102852, 128565, 171420, 174277, 257130, 348554, 514260, 522831, 697108, 871385, 1045662, 1568493, 1742770, 2091324, 2614155, 3136986, 3485540, 5228310, 6273972, 7842465, 10456620, 15684930, 31369860]

約数ペア:

[(1, 31369860), (2, 15684930), (3, 10456620), (4, 7842465), (5, 6273972), (6, 5228310), (9, 3485540), (10, 3136986), (12, 2614155), (15, 2091324), (18, 1742770), (20, 1568493), (30, 1045662), (36, 871385), (45, 697108), (60, 522831), (61, 514260), (90, 348554), (122, 257130), (180, 174277), (183, 171420), (244, 128565), (305, 102852), (366, 85710), (549, 57140), (610, 51426), (732, 42855), (915, 34284), (1098, 28570), (1220, 25713), (1830, 17142), (2196, 14285), (2745, 11428), (2857, 10980), (3660, 8571), (5490, 5714)]