278542680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 958003200

約数和(自身を除く): 679460520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 47, 52, 58, 60, 65, 78, 87, 94, 104, 116, 120, 130, 131, 141, 145, 156, 174, 188, 195, 232, 235, 260, 262, 282, 290, 312, 348, 376, 377, 390, 393, 435, 470, 520, 524, 564, 580, 611, 655, 696, 705, 754, 780, 786, 870, 940, 1048, 1128, 1131, 1160, 1222, 1310, 1363, 1410, 1508, 1560, 1572, 1703, 1740, 1833, 1880, 1885, 1965, 2262, 2444, 2620, 2726, 2820, 3016, 3055, 3144, 3406, 3480, 3666, 3770, 3799, 3930, 4089, 4524, 4888, 5109, 5240, 5452, 5640, 5655, 6110, 6157, 6812, 6815, 7332, 7540, 7598, 7860, 8178, 8515, 9048, 9165, 10218, 10904, 11310, 11397, 12220, 12314, 13624, 13630, 14664, 15080, 15196, 15720, 16356, 17030, 17719, 18330, 18471, 18995, 20436, 20445, 22620, 22794, 24440, 24628, 25545, 27260, 30392, 30785, 32712, 34060, 35438, 36660, 36942, 37990, 40872, 40890, 45240, 45588, 49256, 49387, 51090, 53157, 54520, 56985, 61570, 68120, 70876, 73320, 73884, 75980, 80041, 81780, 88595, 91176, 92355, 98774, 102180, 106314, 113970, 123140, 141752, 147768, 148161, 151960, 160082, 163560, 177190, 178553, 184710, 197548, 204360, 212628, 227940, 240123, 246280, 246935, 265785, 296322, 320164, 354380, 357106, 369420, 395096, 400205, 425256, 455880, 480246, 493870, 531570, 535659, 592644, 640328, 708760, 714212, 738840, 740805, 800410, 892765, 960492, 987740, 1063140, 1071318, 1185288, 1200615, 1428424, 1481610, 1600820, 1785530, 1920984, 1975480, 2126280, 2142636, 2321189, 2401230, 2678295, 2963220, 3201640, 3571060, 4285272, 4642378, 4802460, 5356590, 5926440, 6963567, 7142120, 9284756, 9604920, 10713180, 11605945, 13927134, 18569512, 21426360, 23211890, 27854268, 34817835, 46423780, 55708536, 69635670, 92847560, 139271340, 278542680]

約数ペア:

[(1, 278542680), (2, 139271340), (3, 92847560), (4, 69635670), (5, 55708536), (6, 46423780), (8, 34817835), (10, 27854268), (12, 23211890), (13, 21426360), (15, 18569512), (20, 13927134), (24, 11605945), (26, 10713180), (29, 9604920), (30, 9284756), (39, 7142120), (40, 6963567), (47, 5926440), (52, 5356590), (58, 4802460), (60, 4642378), (65, 4285272), (78, 3571060), (87, 3201640), (94, 2963220), (104, 2678295), (116, 2401230), (120, 2321189), (130, 2142636), (131, 2126280), (141, 1975480), (145, 1920984), (156, 1785530), (174, 1600820), (188, 1481610), (195, 1428424), (232, 1200615), (235, 1185288), (260, 1071318), (262, 1063140), (282, 987740), (290, 960492), (312, 892765), (348, 800410), (376, 740805), (377, 738840), (390, 714212), (393, 708760), (435, 640328), (470, 592644), (520, 535659), (524, 531570), (564, 493870), (580, 480246), (611, 455880), (655, 425256), (696, 400205), (705, 395096), (754, 369420), (780, 357106), (786, 354380), (870, 320164), (940, 296322), (1048, 265785), (1128, 246935), (1131, 246280), (1160, 240123), (1222, 227940), (1310, 212628), (1363, 204360), (1410, 197548), (1508, 184710), (1560, 178553), (1572, 177190), (1703, 163560), (1740, 160082), (1833, 151960), (1880, 148161), (1885, 147768), (1965, 141752), (2262, 123140), (2444, 113970), (2620, 106314), (2726, 102180), (2820, 98774), (3016, 92355), (3055, 91176), (3144, 88595), (3406, 81780), (3480, 80041), (3666, 75980), (3770, 73884), (3799, 73320), (3930, 70876), (4089, 68120), (4524, 61570), (4888, 56985), (5109, 54520), (5240, 53157), (5452, 51090), (5640, 49387), (5655, 49256), (6110, 45588), (6157, 45240), (6812, 40890), (6815, 40872), (7332, 37990), (7540, 36942), (7598, 36660), (7860, 35438), (8178, 34060), (8515, 32712), (9048, 30785), (9165, 30392), (10218, 27260), (10904, 25545), (11310, 24628), (11397, 24440), (12220, 22794), (12314, 22620), (13624, 20445), (13630, 20436), (14664, 18995), (15080, 18471), (15196, 18330), (15720, 17719), (16356, 17030)]