128400120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2030

約数の個数: 128

約数和(自身を含む): 435240000

約数和(自身を除く): 306839880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 1949, 2196, 2440, 2745, 3294, 3660, 3898, 4392, 5490, 5847, 6588, 7320, 7796, 8235, 9745, 10980, 11694, 13176, 15592, 16470, 17541, 19490, 21960, 23388, 29235, 32940, 35082, 38980, 46776, 52623, 58470, 65880, 70164, 77960, 87705, 105246, 116940, 118889, 140328, 175410, 210492, 233880, 237778, 263115, 350820, 356667, 420984, 475556, 526230, 594445, 701640, 713334, 951112, 1052460, 1070001, 1188890, 1426668, 1783335, 2104920, 2140002, 2377780, 2853336, 3210003, 3566670, 4280004, 4755560, 5350005, 6420006, 7133340, 8560008, 10700010, 12840012, 14266680, 16050015, 21400020, 25680024, 32100030, 42800040, 64200060, 128400120]

約数ペア:

[(1, 128400120), (2, 64200060), (3, 42800040), (4, 32100030), (5, 25680024), (6, 21400020), (8, 16050015), (9, 14266680), (10, 12840012), (12, 10700010), (15, 8560008), (18, 7133340), (20, 6420006), (24, 5350005), (27, 4755560), (30, 4280004), (36, 3566670), (40, 3210003), (45, 2853336), (54, 2377780), (60, 2140002), (61, 2104920), (72, 1783335), (90, 1426668), (108, 1188890), (120, 1070001), (122, 1052460), (135, 951112), (180, 713334), (183, 701640), (216, 594445), (244, 526230), (270, 475556), (305, 420984), (360, 356667), (366, 350820), (488, 263115), (540, 237778), (549, 233880), (610, 210492), (732, 175410), (915, 140328), (1080, 118889), (1098, 116940), (1220, 105246), (1464, 87705), (1647, 77960), (1830, 70164), (1949, 65880), (2196, 58470), (2440, 52623), (2745, 46776), (3294, 38980), (3660, 35082), (3898, 32940), (4392, 29235), (5490, 23388), (5847, 21960), (6588, 19490), (7320, 17541), (7796, 16470), (8235, 15592), (9745, 13176), (10980, 11694)]