920997440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15391}}^1$

素因数の和:15436

約数の個数: 112

約数和(自身を含む): 2533400064

約数和(自身を除く): 1612402624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1360, 1496, 1760, 1870, 2720, 2992, 3520, 3740, 5440, 5984, 7480, 11968, 14960, 15391, 29920, 30782, 59840, 61564, 76955, 123128, 153910, 169301, 246256, 261647, 307820, 338602, 492512, 523294, 615640, 677204, 846505, 985024, 1046588, 1231280, 1308235, 1354408, 1693010, 2093176, 2462560, 2616470, 2708816, 2878117, 3386020, 4186352, 4925120, 5232940, 5417632, 5756234, 6772040, 8372704, 10465880, 10835264, 11512468, 13544080, 14390585, 16745408, 20931760, 23024936, 27088160, 28781170, 41863520, 46049872, 54176320, 57562340, 83727040, 92099744, 115124680, 184199488, 230249360, 460498720, 920997440]

約数ペア:

[(1, 920997440), (2, 460498720), (4, 230249360), (5, 184199488), (8, 115124680), (10, 92099744), (11, 83727040), (16, 57562340), (17, 54176320), (20, 46049872), (22, 41863520), (32, 28781170), (34, 27088160), (40, 23024936), (44, 20931760), (55, 16745408), (64, 14390585), (68, 13544080), (80, 11512468), (85, 10835264), (88, 10465880), (110, 8372704), (136, 6772040), (160, 5756234), (170, 5417632), (176, 5232940), (187, 4925120), (220, 4186352), (272, 3386020), (320, 2878117), (340, 2708816), (352, 2616470), (374, 2462560), (440, 2093176), (544, 1693010), (680, 1354408), (704, 1308235), (748, 1231280), (880, 1046588), (935, 985024), (1088, 846505), (1360, 677204), (1496, 615640), (1760, 523294), (1870, 492512), (2720, 338602), (2992, 307820), (3520, 261647), (3740, 246256), (5440, 169301), (5984, 153910), (7480, 123128), (11968, 76955), (14960, 61564), (15391, 59840), (29920, 30782)]