245642640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:661

約数の個数: 160

約数和(自身を含む): 810900480

約数和(自身を除く): 565257840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 103, 114, 120, 152, 190, 206, 228, 240, 285, 304, 309, 380, 412, 456, 515, 523, 570, 618, 760, 824, 912, 1030, 1046, 1140, 1236, 1520, 1545, 1569, 1648, 1957, 2060, 2092, 2280, 2472, 2615, 3090, 3138, 3914, 4120, 4184, 4560, 4944, 5230, 5871, 6180, 6276, 7828, 7845, 8240, 8368, 9785, 9937, 10460, 11742, 12360, 12552, 15656, 15690, 19570, 19874, 20920, 23484, 24720, 25104, 29355, 29811, 31312, 31380, 39140, 39748, 41840, 46968, 49685, 53869, 58710, 59622, 62760, 78280, 79496, 93936, 99370, 107738, 117420, 119244, 125520, 149055, 156560, 158992, 161607, 198740, 215476, 234840, 238488, 269345, 298110, 323214, 397480, 430952, 469680, 476976, 538690, 596220, 646428, 794960, 808035, 861904, 1023511, 1077380, 1192440, 1292856, 1616070, 2047022, 2154760, 2384880, 2585712, 3070533, 3232140, 4094044, 4309520, 5117555, 6141066, 6464280, 8188088, 10235110, 12282132, 12928560, 15352665, 16376176, 20470220, 24564264, 30705330, 40940440, 49128528, 61410660, 81880880, 122821320, 245642640]

約数ペア:

[(1, 245642640), (2, 122821320), (3, 81880880), (4, 61410660), (5, 49128528), (6, 40940440), (8, 30705330), (10, 24564264), (12, 20470220), (15, 16376176), (16, 15352665), (19, 12928560), (20, 12282132), (24, 10235110), (30, 8188088), (38, 6464280), (40, 6141066), (48, 5117555), (57, 4309520), (60, 4094044), (76, 3232140), (80, 3070533), (95, 2585712), (103, 2384880), (114, 2154760), (120, 2047022), (152, 1616070), (190, 1292856), (206, 1192440), (228, 1077380), (240, 1023511), (285, 861904), (304, 808035), (309, 794960), (380, 646428), (412, 596220), (456, 538690), (515, 476976), (523, 469680), (570, 430952), (618, 397480), (760, 323214), (824, 298110), (912, 269345), (1030, 238488), (1046, 234840), (1140, 215476), (1236, 198740), (1520, 161607), (1545, 158992), (1569, 156560), (1648, 149055), (1957, 125520), (2060, 119244), (2092, 117420), (2280, 107738), (2472, 99370), (2615, 93936), (3090, 79496), (3138, 78280), (3914, 62760), (4120, 59622), (4184, 58710), (4560, 53869), (4944, 49685), (5230, 46968), (5871, 41840), (6180, 39748), (6276, 39140), (7828, 31380), (7845, 31312), (8240, 29811), (8368, 29355), (9785, 25104), (9937, 24720), (10460, 23484), (11742, 20920), (12360, 19874), (12552, 19570), (15656, 15690)]