2780726580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359267}}^1$

素因数の和:359325

約数の個数: 72

約数和(自身を含む): 8631054432

約数和(自身を除く): 5850327852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 359267, 718534, 1077801, 1437068, 1796335, 2155602, 3233403, 3592670, 4311204, 5389005, 6466806, 7185340, 10778010, 12933612, 15448481, 16167015, 21556020, 30896962, 32334030, 46345443, 61793924, 64668060, 77242405, 92690886, 139036329, 154484810, 185381772, 231727215, 278072658, 308969620, 463454430, 556145316, 695181645, 926908860, 1390363290, 2780726580]

約数ペア:

[(1, 2780726580), (2, 1390363290), (3, 926908860), (4, 695181645), (5, 556145316), (6, 463454430), (9, 308969620), (10, 278072658), (12, 231727215), (15, 185381772), (18, 154484810), (20, 139036329), (30, 92690886), (36, 77242405), (43, 64668060), (45, 61793924), (60, 46345443), (86, 32334030), (90, 30896962), (129, 21556020), (172, 16167015), (180, 15448481), (215, 12933612), (258, 10778010), (387, 7185340), (430, 6466806), (516, 5389005), (645, 4311204), (774, 3592670), (860, 3233403), (1290, 2155602), (1548, 1796335), (1935, 1437068), (2580, 1077801), (3870, 718534), (7740, 359267)]