2780550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 7718256

約数和(自身を除く): 4937706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 167, 185, 222, 225, 333, 334, 370, 450, 501, 555, 666, 835, 925, 1002, 1110, 1503, 1665, 1670, 1850, 2505, 2775, 3006, 3330, 4175, 5010, 5550, 6179, 7515, 8325, 8350, 12358, 12525, 15030, 16650, 18537, 25050, 30895, 37074, 37575, 55611, 61790, 75150, 92685, 111222, 154475, 185370, 278055, 308950, 463425, 556110, 926850, 1390275, 2780550]

約数ペア:

[(1, 2780550), (2, 1390275), (3, 926850), (5, 556110), (6, 463425), (9, 308950), (10, 278055), (15, 185370), (18, 154475), (25, 111222), (30, 92685), (37, 75150), (45, 61790), (50, 55611), (74, 37575), (75, 37074), (90, 30895), (111, 25050), (150, 18537), (167, 16650), (185, 15030), (222, 12525), (225, 12358), (333, 8350), (334, 8325), (370, 7515), (450, 6179), (501, 5550), (555, 5010), (666, 4175), (835, 3330), (925, 3006), (1002, 2775), (1110, 2505), (1503, 1850), (1665, 1670)]