73984140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3111

約数の個数: 72

約数和(自身を含む): 226109520

約数和(自身を除く): 152125380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 2957, 4170, 5004, 5914, 6255, 8340, 8871, 11828, 12510, 14785, 17742, 25020, 26613, 29570, 35484, 44355, 53226, 59140, 88710, 106452, 133065, 177420, 266130, 411023, 532260, 822046, 1233069, 1644092, 2055115, 2466138, 3699207, 4110230, 4932276, 6165345, 7398414, 8220460, 12330690, 14796828, 18496035, 24661380, 36992070, 73984140]

約数ペア:

[(1, 73984140), (2, 36992070), (3, 24661380), (4, 18496035), (5, 14796828), (6, 12330690), (9, 8220460), (10, 7398414), (12, 6165345), (15, 4932276), (18, 4110230), (20, 3699207), (30, 2466138), (36, 2055115), (45, 1644092), (60, 1233069), (90, 822046), (139, 532260), (180, 411023), (278, 266130), (417, 177420), (556, 133065), (695, 106452), (834, 88710), (1251, 59140), (1390, 53226), (1668, 44355), (2085, 35484), (2502, 29570), (2780, 26613), (2957, 25020), (4170, 17742), (5004, 14785), (5914, 12510), (6255, 11828), (8340, 8871)]