15071220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 46224360

約数和(自身を除く): 31153140

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, 829, 909, 1010, 1212, 1515, 1658, 1818, 2020, 2487, 3030, 3316, 3636, 4145, 4545, 4974, 6060, 7461, 8290, 9090, 9948, 12435, 14922, 16580, 18180, 24870, 29844, 37305, 49740, 74610, 83729, 149220, 167458, 251187, 334916, 418645, 502374, 753561, 837290, 1004748, 1255935, 1507122, 1674580, 2511870, 3014244, 3767805, 5023740, 7535610, 15071220]

約数ペア:

[(1, 15071220), (2, 7535610), (3, 5023740), (4, 3767805), (5, 3014244), (6, 2511870), (9, 1674580), (10, 1507122), (12, 1255935), (15, 1004748), (18, 837290), (20, 753561), (30, 502374), (36, 418645), (45, 334916), (60, 251187), (90, 167458), (101, 149220), (180, 83729), (202, 74610), (303, 49740), (404, 37305), (505, 29844), (606, 24870), (829, 18180), (909, 16580), (1010, 14922), (1212, 12435), (1515, 9948), (1658, 9090), (1818, 8290), (2020, 7461), (2487, 6060), (3030, 4974), (3316, 4545), (3636, 4145)]