15805872

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 47876400

約数和(自身を除く): 32070528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 53, 57, 72, 76, 106, 109, 114, 144, 152, 159, 171, 212, 218, 228, 304, 318, 327, 342, 424, 436, 456, 477, 636, 654, 684, 848, 872, 912, 954, 981, 1007, 1272, 1308, 1368, 1744, 1908, 1962, 2014, 2071, 2544, 2616, 2736, 3021, 3816, 3924, 4028, 4142, 5232, 5777, 6042, 6213, 7632, 7848, 8056, 8284, 9063, 11554, 12084, 12426, 15696, 16112, 16568, 17331, 18126, 18639, 23108, 24168, 24852, 33136, 34662, 36252, 37278, 46216, 48336, 49704, 51993, 69324, 72504, 74556, 92432, 99408, 103986, 109763, 138648, 145008, 149112, 207972, 219526, 277296, 298224, 329289, 415944, 439052, 658578, 831888, 878104, 987867, 1317156, 1756208, 1975734, 2634312, 3951468, 5268624, 7902936, 15805872]

約数ペア:

[(1, 15805872), (2, 7902936), (3, 5268624), (4, 3951468), (6, 2634312), (8, 1975734), (9, 1756208), (12, 1317156), (16, 987867), (18, 878104), (19, 831888), (24, 658578), (36, 439052), (38, 415944), (48, 329289), (53, 298224), (57, 277296), (72, 219526), (76, 207972), (106, 149112), (109, 145008), (114, 138648), (144, 109763), (152, 103986), (159, 99408), (171, 92432), (212, 74556), (218, 72504), (228, 69324), (304, 51993), (318, 49704), (327, 48336), (342, 46216), (424, 37278), (436, 36252), (456, 34662), (477, 33136), (636, 24852), (654, 24168), (684, 23108), (848, 18639), (872, 18126), (912, 17331), (954, 16568), (981, 16112), (1007, 15696), (1272, 12426), (1308, 12084), (1368, 11554), (1744, 9063), (1908, 8284), (1962, 8056), (2014, 7848), (2071, 7632), (2544, 6213), (2616, 6042), (2736, 5777), (3021, 5232), (3816, 4142), (3924, 4028)]