217826460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 690493440

約数和(自身を除く): 472666980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 124, 155, 180, 186, 206, 279, 309, 310, 372, 379, 412, 465, 515, 558, 618, 620, 758, 927, 930, 1030, 1116, 1137, 1236, 1395, 1516, 1545, 1854, 1860, 1895, 2060, 2274, 2790, 3090, 3193, 3411, 3708, 3790, 4548, 4635, 5580, 5685, 6180, 6386, 6822, 7580, 9270, 9579, 11370, 11749, 12772, 13644, 15965, 17055, 18540, 19158, 22740, 23498, 28737, 31930, 34110, 35247, 38316, 39037, 46996, 47895, 57474, 58745, 63860, 68220, 70494, 78074, 95790, 105741, 114948, 117111, 117490, 140988, 143685, 156148, 176235, 191580, 195185, 211482, 234222, 234980, 287370, 351333, 352470, 390370, 422964, 468444, 528705, 574740, 585555, 702666, 704940, 780740, 1057410, 1171110, 1210147, 1405332, 1756665, 2114820, 2342220, 2420294, 3513330, 3630441, 4840588, 6050735, 7026660, 7260882, 10891323, 12101470, 14521764, 18152205, 21782646, 24202940, 36304410, 43565292, 54456615, 72608820, 108913230, 217826460]

約数ペア:

[(1, 217826460), (2, 108913230), (3, 72608820), (4, 54456615), (5, 43565292), (6, 36304410), (9, 24202940), (10, 21782646), (12, 18152205), (15, 14521764), (18, 12101470), (20, 10891323), (30, 7260882), (31, 7026660), (36, 6050735), (45, 4840588), (60, 3630441), (62, 3513330), (90, 2420294), (93, 2342220), (103, 2114820), (124, 1756665), (155, 1405332), (180, 1210147), (186, 1171110), (206, 1057410), (279, 780740), (309, 704940), (310, 702666), (372, 585555), (379, 574740), (412, 528705), (465, 468444), (515, 422964), (558, 390370), (618, 352470), (620, 351333), (758, 287370), (927, 234980), (930, 234222), (1030, 211482), (1116, 195185), (1137, 191580), (1236, 176235), (1395, 156148), (1516, 143685), (1545, 140988), (1854, 117490), (1860, 117111), (1895, 114948), (2060, 105741), (2274, 95790), (2790, 78074), (3090, 70494), (3193, 68220), (3411, 63860), (3708, 58745), (3790, 57474), (4548, 47895), (4635, 46996), (5580, 39037), (5685, 38316), (6180, 35247), (6386, 34110), (6822, 31930), (7580, 28737), (9270, 23498), (9579, 22740), (11370, 19158), (11749, 18540), (12772, 17055), (13644, 15965)]