15843780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 51891840

約数和(自身を除く): 36048060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 89, 90, 92, 115, 129, 138, 172, 178, 180, 207, 215, 230, 258, 267, 276, 345, 356, 387, 414, 430, 445, 460, 516, 534, 645, 690, 774, 801, 828, 860, 890, 989, 1035, 1068, 1290, 1335, 1380, 1548, 1602, 1780, 1935, 1978, 2047, 2070, 2580, 2670, 2967, 3204, 3827, 3870, 3956, 4005, 4094, 4140, 4945, 5340, 5934, 6141, 7654, 7740, 8010, 8188, 8901, 9890, 10235, 11481, 11868, 12282, 14835, 15308, 16020, 17802, 18423, 19135, 19780, 20470, 22962, 24564, 29670, 30705, 34443, 35604, 36846, 38270, 40940, 44505, 45924, 57405, 59340, 61410, 68886, 73692, 76540, 88021, 89010, 92115, 114810, 122820, 137772, 172215, 176042, 178020, 184230, 229620, 264063, 344430, 352084, 368460, 440105, 528126, 688860, 792189, 880210, 1056252, 1320315, 1584378, 1760420, 2640630, 3168756, 3960945, 5281260, 7921890, 15843780]

約数ペア:

[(1, 15843780), (2, 7921890), (3, 5281260), (4, 3960945), (5, 3168756), (6, 2640630), (9, 1760420), (10, 1584378), (12, 1320315), (15, 1056252), (18, 880210), (20, 792189), (23, 688860), (30, 528126), (36, 440105), (43, 368460), (45, 352084), (46, 344430), (60, 264063), (69, 229620), (86, 184230), (89, 178020), (90, 176042), (92, 172215), (115, 137772), (129, 122820), (138, 114810), (172, 92115), (178, 89010), (180, 88021), (207, 76540), (215, 73692), (230, 68886), (258, 61410), (267, 59340), (276, 57405), (345, 45924), (356, 44505), (387, 40940), (414, 38270), (430, 36846), (445, 35604), (460, 34443), (516, 30705), (534, 29670), (645, 24564), (690, 22962), (774, 20470), (801, 19780), (828, 19135), (860, 18423), (890, 17802), (989, 16020), (1035, 15308), (1068, 14835), (1290, 12282), (1335, 11868), (1380, 11481), (1548, 10235), (1602, 9890), (1780, 8901), (1935, 8188), (1978, 8010), (2047, 7740), (2070, 7654), (2580, 6141), (2670, 5934), (2967, 5340), (3204, 4945), (3827, 4140), (3870, 4094), (3956, 4005)]