2255940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 6971328

約数和(自身を除く): 4715388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 151, 166, 180, 249, 302, 332, 415, 453, 498, 604, 747, 755, 830, 906, 996, 1245, 1359, 1494, 1510, 1660, 1812, 2265, 2490, 2718, 2988, 3020, 3735, 4530, 4980, 5436, 6795, 7470, 9060, 12533, 13590, 14940, 25066, 27180, 37599, 50132, 62665, 75198, 112797, 125330, 150396, 187995, 225594, 250660, 375990, 451188, 563985, 751980, 1127970, 2255940]

約数ペア:

[(1, 2255940), (2, 1127970), (3, 751980), (4, 563985), (5, 451188), (6, 375990), (9, 250660), (10, 225594), (12, 187995), (15, 150396), (18, 125330), (20, 112797), (30, 75198), (36, 62665), (45, 50132), (60, 37599), (83, 27180), (90, 25066), (151, 14940), (166, 13590), (180, 12533), (249, 9060), (302, 7470), (332, 6795), (415, 5436), (453, 4980), (498, 4530), (604, 3735), (747, 3020), (755, 2988), (830, 2718), (906, 2490), (996, 2265), (1245, 1812), (1359, 1660), (1494, 1510)]