278603520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5618

約数の個数: 144

約数和(自身を含む): 958407072

約数和(自身を除く): 679803552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 5581, 6240, 8320, 9984, 11162, 12480, 16640, 16743, 22324, 24960, 27905, 33486, 44648, 49920, 55810, 66972, 72553, 83715, 89296, 111620, 133944, 145106, 167430, 178592, 217659, 223240, 267888, 290212, 334860, 357184, 362765, 435318, 446480, 535776, 580424, 669720, 714368, 725530, 870636, 892960, 1071552, 1088295, 1160848, 1339440, 1428736, 1451060, 1741272, 1785920, 2143104, 2176590, 2321696, 2678880, 2902120, 3482544, 3571840, 4286208, 4353180, 4643392, 5357760, 5804240, 6965088, 7143680, 8706360, 9286784, 10715520, 11608480, 13930176, 17412720, 18573568, 21431040, 23216960, 27860352, 34825440, 46433920, 55720704, 69650880, 92867840, 139301760, 278603520]

約数ペア:

[(1, 278603520), (2, 139301760), (3, 92867840), (4, 69650880), (5, 55720704), (6, 46433920), (8, 34825440), (10, 27860352), (12, 23216960), (13, 21431040), (15, 18573568), (16, 17412720), (20, 13930176), (24, 11608480), (26, 10715520), (30, 9286784), (32, 8706360), (39, 7143680), (40, 6965088), (48, 5804240), (52, 5357760), (60, 4643392), (64, 4353180), (65, 4286208), (78, 3571840), (80, 3482544), (96, 2902120), (104, 2678880), (120, 2321696), (128, 2176590), (130, 2143104), (156, 1785920), (160, 1741272), (192, 1451060), (195, 1428736), (208, 1339440), (240, 1160848), (256, 1088295), (260, 1071552), (312, 892960), (320, 870636), (384, 725530), (390, 714368), (416, 669720), (480, 580424), (520, 535776), (624, 446480), (640, 435318), (768, 362765), (780, 357184), (832, 334860), (960, 290212), (1040, 267888), (1248, 223240), (1280, 217659), (1560, 178592), (1664, 167430), (1920, 145106), (2080, 133944), (2496, 111620), (3120, 89296), (3328, 83715), (3840, 72553), (4160, 66972), (4992, 55810), (5581, 49920), (6240, 44648), (8320, 33486), (9984, 27905), (11162, 24960), (12480, 22324), (16640, 16743)]