65507580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{829}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 199399200

約数和(自身を除く): 133891620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 829, 878, 1317, 1658, 1756, 2195, 2487, 2634, 3316, 3951, 4145, 4390, 4974, 5268, 6585, 7461, 7902, 8290, 8780, 9948, 12435, 13170, 14922, 15804, 16580, 19755, 24870, 26340, 29844, 37305, 39510, 49740, 74610, 79020, 149220, 363931, 727862, 1091793, 1455724, 1819655, 2183586, 3275379, 3639310, 4367172, 5458965, 6550758, 7278620, 10917930, 13101516, 16376895, 21835860, 32753790, 65507580]

約数ペア:

[(1, 65507580), (2, 32753790), (3, 21835860), (4, 16376895), (5, 13101516), (6, 10917930), (9, 7278620), (10, 6550758), (12, 5458965), (15, 4367172), (18, 3639310), (20, 3275379), (30, 2183586), (36, 1819655), (45, 1455724), (60, 1091793), (90, 727862), (180, 363931), (439, 149220), (829, 79020), (878, 74610), (1317, 49740), (1658, 39510), (1756, 37305), (2195, 29844), (2487, 26340), (2634, 24870), (3316, 19755), (3951, 16580), (4145, 15804), (4390, 14922), (4974, 13170), (5268, 12435), (6585, 9948), (7461, 8780), (7902, 8290)]