78461280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 216

約数和(自身を含む): 282613968

約数和(自身を除く): 204152688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 103, 115, 120, 138, 144, 160, 180, 184, 206, 207, 230, 240, 276, 288, 309, 345, 360, 368, 412, 414, 460, 480, 515, 529, 552, 618, 690, 720, 736, 824, 828, 920, 927, 1030, 1035, 1058, 1104, 1236, 1380, 1440, 1545, 1587, 1648, 1656, 1840, 1854, 2060, 2070, 2116, 2208, 2369, 2472, 2645, 2760, 3090, 3174, 3296, 3312, 3680, 3708, 4120, 4140, 4232, 4635, 4738, 4761, 4944, 5290, 5520, 6180, 6348, 6624, 7107, 7416, 7935, 8240, 8280, 8464, 9270, 9476, 9522, 9888, 10580, 11040, 11845, 12360, 12696, 14214, 14832, 15870, 16480, 16560, 16928, 18540, 18952, 19044, 21160, 21321, 23690, 23805, 24720, 25392, 28428, 29664, 31740, 33120, 35535, 37080, 37904, 38088, 42320, 42642, 47380, 47610, 49440, 50784, 54487, 56856, 63480, 71070, 74160, 75808, 76176, 84640, 85284, 94760, 95220, 106605, 108974, 113712, 126960, 142140, 148320, 152352, 163461, 170568, 189520, 190440, 213210, 217948, 227424, 253920, 272435, 284280, 326922, 341136, 379040, 380880, 426420, 435896, 490383, 544870, 568560, 653844, 682272, 761760, 817305, 852840, 871792, 980766, 1089740, 1137120, 1307688, 1634610, 1705680, 1743584, 1961532, 2179480, 2451915, 2615376, 3269220, 3411360, 3923064, 4358960, 4903830, 5230752, 6538440, 7846128, 8717920, 9807660, 13076880, 15692256, 19615320, 26153760, 39230640, 78461280]

約数ペア:

[(1, 78461280), (2, 39230640), (3, 26153760), (4, 19615320), (5, 15692256), (6, 13076880), (8, 9807660), (9, 8717920), (10, 7846128), (12, 6538440), (15, 5230752), (16, 4903830), (18, 4358960), (20, 3923064), (23, 3411360), (24, 3269220), (30, 2615376), (32, 2451915), (36, 2179480), (40, 1961532), (45, 1743584), (46, 1705680), (48, 1634610), (60, 1307688), (69, 1137120), (72, 1089740), (80, 980766), (90, 871792), (92, 852840), (96, 817305), (103, 761760), (115, 682272), (120, 653844), (138, 568560), (144, 544870), (160, 490383), (180, 435896), (184, 426420), (206, 380880), (207, 379040), (230, 341136), (240, 326922), (276, 284280), (288, 272435), (309, 253920), (345, 227424), (360, 217948), (368, 213210), (412, 190440), (414, 189520), (460, 170568), (480, 163461), (515, 152352), (529, 148320), (552, 142140), (618, 126960), (690, 113712), (720, 108974), (736, 106605), (824, 95220), (828, 94760), (920, 85284), (927, 84640), (1030, 76176), (1035, 75808), (1058, 74160), (1104, 71070), (1236, 63480), (1380, 56856), (1440, 54487), (1545, 50784), (1587, 49440), (1648, 47610), (1656, 47380), (1840, 42642), (1854, 42320), (2060, 38088), (2070, 37904), (2116, 37080), (2208, 35535), (2369, 33120), (2472, 31740), (2645, 29664), (2760, 28428), (3090, 25392), (3174, 24720), (3296, 23805), (3312, 23690), (3680, 21321), (3708, 21160), (4120, 19044), (4140, 18952), (4232, 18540), (4635, 16928), (4738, 16560), (4761, 16480), (4944, 15870), (5290, 14832), (5520, 14214), (6180, 12696), (6348, 12360), (6624, 11845), (7107, 11040), (7416, 10580), (7935, 9888), (8240, 9522), (8280, 9476), (8464, 9270)]