131048520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 407721600

約数和(自身を除く): 276673080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 109, 120, 129, 172, 215, 218, 233, 258, 327, 344, 430, 436, 466, 516, 545, 645, 654, 699, 860, 872, 932, 1032, 1090, 1165, 1290, 1308, 1398, 1635, 1720, 1864, 2180, 2330, 2580, 2616, 2796, 3270, 3495, 4360, 4660, 4687, 5160, 5592, 6540, 6990, 9320, 9374, 10019, 13080, 13980, 14061, 18748, 20038, 23435, 25397, 27960, 28122, 30057, 37496, 40076, 46870, 50095, 50794, 56244, 60114, 70305, 76191, 80152, 93740, 100190, 101588, 112488, 120228, 126985, 140610, 150285, 152382, 187480, 200380, 203176, 240456, 253970, 281220, 300570, 304764, 380955, 400760, 507940, 562440, 601140, 609528, 761910, 1015880, 1092071, 1202280, 1523820, 2184142, 3047640, 3276213, 4368284, 5460355, 6552426, 8736568, 10920710, 13104852, 16381065, 21841420, 26209704, 32762130, 43682840, 65524260, 131048520]

約数ペア:

[(1, 131048520), (2, 65524260), (3, 43682840), (4, 32762130), (5, 26209704), (6, 21841420), (8, 16381065), (10, 13104852), (12, 10920710), (15, 8736568), (20, 6552426), (24, 5460355), (30, 4368284), (40, 3276213), (43, 3047640), (60, 2184142), (86, 1523820), (109, 1202280), (120, 1092071), (129, 1015880), (172, 761910), (215, 609528), (218, 601140), (233, 562440), (258, 507940), (327, 400760), (344, 380955), (430, 304764), (436, 300570), (466, 281220), (516, 253970), (545, 240456), (645, 203176), (654, 200380), (699, 187480), (860, 152382), (872, 150285), (932, 140610), (1032, 126985), (1090, 120228), (1165, 112488), (1290, 101588), (1308, 100190), (1398, 93740), (1635, 80152), (1720, 76191), (1864, 70305), (2180, 60114), (2330, 56244), (2580, 50794), (2616, 50095), (2796, 46870), (3270, 40076), (3495, 37496), (4360, 30057), (4660, 28122), (4687, 27960), (5160, 25397), (5592, 23435), (6540, 20038), (6990, 18748), (9320, 14061), (9374, 13980), (10019, 13080)]