74741220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 227485440

約数和(自身を除く): 152744220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 991, 1257, 1676, 1982, 2095, 2514, 2973, 3771, 3964, 4190, 4955, 5028, 5946, 6285, 7542, 8380, 8919, 9910, 11892, 12570, 14865, 15084, 17838, 18855, 19820, 25140, 29730, 35676, 37710, 44595, 59460, 75420, 89190, 178380, 415229, 830458, 1245687, 1660916, 2076145, 2491374, 3737061, 4152290, 4982748, 6228435, 7474122, 8304580, 12456870, 14948244, 18685305, 24913740, 37370610, 74741220]

約数ペア:

[(1, 74741220), (2, 37370610), (3, 24913740), (4, 18685305), (5, 14948244), (6, 12456870), (9, 8304580), (10, 7474122), (12, 6228435), (15, 4982748), (18, 4152290), (20, 3737061), (30, 2491374), (36, 2076145), (45, 1660916), (60, 1245687), (90, 830458), (180, 415229), (419, 178380), (838, 89190), (991, 75420), (1257, 59460), (1676, 44595), (1982, 37710), (2095, 35676), (2514, 29730), (2973, 25140), (3771, 19820), (3964, 18855), (4190, 17838), (4955, 15084), (5028, 14865), (5946, 12570), (6285, 11892), (7542, 9910), (8380, 8919)]