818530240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:1986

約数の個数: 112

約数和(自身を含む): 2144231424

約数和(自身を除く): 1325701184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 160, 176, 220, 254, 320, 352, 440, 508, 635, 704, 880, 1016, 1270, 1397, 1760, 1831, 2032, 2540, 2794, 3520, 3662, 4064, 5080, 5588, 6985, 7324, 8128, 9155, 10160, 11176, 13970, 14648, 18310, 20141, 20320, 22352, 27940, 29296, 36620, 40282, 40640, 44704, 55880, 58592, 73240, 80564, 89408, 100705, 111760, 117184, 146480, 161128, 201410, 223520, 232537, 292960, 322256, 402820, 447040, 465074, 585920, 644512, 805640, 930148, 1162685, 1289024, 1611280, 1860296, 2325370, 2557907, 3222560, 3720592, 4650740, 5115814, 6445120, 7441184, 9301480, 10231628, 12789535, 14882368, 18602960, 20463256, 25579070, 37205920, 40926512, 51158140, 74411840, 81853024, 102316280, 163706048, 204632560, 409265120, 818530240]

約数ペア:

[(1, 818530240), (2, 409265120), (4, 204632560), (5, 163706048), (8, 102316280), (10, 81853024), (11, 74411840), (16, 51158140), (20, 40926512), (22, 37205920), (32, 25579070), (40, 20463256), (44, 18602960), (55, 14882368), (64, 12789535), (80, 10231628), (88, 9301480), (110, 7441184), (127, 6445120), (160, 5115814), (176, 4650740), (220, 3720592), (254, 3222560), (320, 2557907), (352, 2325370), (440, 1860296), (508, 1611280), (635, 1289024), (704, 1162685), (880, 930148), (1016, 805640), (1270, 644512), (1397, 585920), (1760, 465074), (1831, 447040), (2032, 402820), (2540, 322256), (2794, 292960), (3520, 232537), (3662, 223520), (4064, 201410), (5080, 161128), (5588, 146480), (6985, 117184), (7324, 111760), (8128, 100705), (9155, 89408), (10160, 80564), (11176, 73240), (13970, 58592), (14648, 55880), (18310, 44704), (20141, 40640), (20320, 40282), (22352, 36620), (27940, 29296)]