257805360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12347}}^1$

素因数の和:12395

約数の個数: 120

約数和(自身を含む): 895723920

約数和(自身を除く): 637918560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 12347, 20880, 24694, 37041, 49388, 61735, 74082, 98776, 111123, 123470, 148164, 185205, 197552, 222246, 246940, 296328, 358063, 370410, 444492, 493880, 555615, 592656, 716126, 740820, 888984, 987760, 1074189, 1111230, 1432252, 1481640, 1777968, 1790315, 2148378, 2222460, 2864504, 2963280, 3222567, 3580630, 4296756, 4444920, 5370945, 5729008, 6445134, 7161260, 8593512, 8889840, 10741890, 12890268, 14322520, 16112835, 17187024, 21483780, 25780536, 28645040, 32225670, 42967560, 51561072, 64451340, 85935120, 128902680, 257805360]

約数ペア:

[(1, 257805360), (2, 128902680), (3, 85935120), (4, 64451340), (5, 51561072), (6, 42967560), (8, 32225670), (9, 28645040), (10, 25780536), (12, 21483780), (15, 17187024), (16, 16112835), (18, 14322520), (20, 12890268), (24, 10741890), (29, 8889840), (30, 8593512), (36, 7161260), (40, 6445134), (45, 5729008), (48, 5370945), (58, 4444920), (60, 4296756), (72, 3580630), (80, 3222567), (87, 2963280), (90, 2864504), (116, 2222460), (120, 2148378), (144, 1790315), (145, 1777968), (174, 1481640), (180, 1432252), (232, 1111230), (240, 1074189), (261, 987760), (290, 888984), (348, 740820), (360, 716126), (435, 592656), (464, 555615), (522, 493880), (580, 444492), (696, 370410), (720, 358063), (870, 296328), (1044, 246940), (1160, 222246), (1305, 197552), (1392, 185205), (1740, 148164), (2088, 123470), (2320, 111123), (2610, 98776), (3480, 74082), (4176, 61735), (5220, 49388), (6960, 37041), (10440, 24694), (12347, 20880)]