15820630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 33611760

約数和(自身を除く): 17791130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 389, 415, 490, 581, 778, 830, 1162, 1945, 2723, 2905, 3890, 4067, 5446, 5810, 8134, 13615, 19061, 20335, 27230, 32287, 38122, 40670, 64574, 95305, 161435, 190610, 226009, 322870, 452018, 1130045, 1582063, 2260090, 3164126, 7910315, 15820630]

約数ペア:

[(1, 15820630), (2, 7910315), (5, 3164126), (7, 2260090), (10, 1582063), (14, 1130045), (35, 452018), (49, 322870), (70, 226009), (83, 190610), (98, 161435), (166, 95305), (245, 64574), (389, 40670), (415, 38122), (490, 32287), (581, 27230), (778, 20335), (830, 19061), (1162, 13615), (1945, 8134), (2723, 5810), (2905, 5446), (3890, 4067)]