28856880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3083}}^1$

素因数の和:3115

約数の個数: 120

約数和(自身を含む): 104399568

約数和(自身を除く): 75542688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3083, 3120, 4680, 6166, 9249, 9360, 12332, 15415, 18498, 24664, 27747, 30830, 36996, 40079, 46245, 49328, 55494, 61660, 73992, 80158, 92490, 110988, 120237, 123320, 138735, 147984, 160316, 184980, 200395, 221976, 240474, 246640, 277470, 320632, 360711, 369960, 400790, 443952, 480948, 554940, 601185, 641264, 721422, 739920, 801580, 961896, 1109880, 1202370, 1442844, 1603160, 1803555, 1923792, 2219760, 2404740, 2885688, 3206320, 3607110, 4809480, 5771376, 7214220, 9618960, 14428440, 28856880]

約数ペア:

[(1, 28856880), (2, 14428440), (3, 9618960), (4, 7214220), (5, 5771376), (6, 4809480), (8, 3607110), (9, 3206320), (10, 2885688), (12, 2404740), (13, 2219760), (15, 1923792), (16, 1803555), (18, 1603160), (20, 1442844), (24, 1202370), (26, 1109880), (30, 961896), (36, 801580), (39, 739920), (40, 721422), (45, 641264), (48, 601185), (52, 554940), (60, 480948), (65, 443952), (72, 400790), (78, 369960), (80, 360711), (90, 320632), (104, 277470), (117, 246640), (120, 240474), (130, 221976), (144, 200395), (156, 184980), (180, 160316), (195, 147984), (208, 138735), (234, 123320), (240, 120237), (260, 110988), (312, 92490), (360, 80158), (390, 73992), (468, 61660), (520, 55494), (585, 49328), (624, 46245), (720, 40079), (780, 36996), (936, 30830), (1040, 27747), (1170, 24664), (1560, 18498), (1872, 15415), (2340, 12332), (3083, 9360), (3120, 9249), (4680, 6166)]