485505280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 1267116480

約数和(自身を除く): 781611200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 163, 179, 208, 256, 260, 320, 326, 358, 416, 520, 640, 652, 716, 815, 832, 895, 1040, 1280, 1304, 1432, 1630, 1664, 1790, 2080, 2119, 2327, 2608, 2864, 3260, 3328, 3580, 4160, 4238, 4654, 5216, 5728, 6520, 7160, 8320, 8476, 9308, 10432, 10595, 11456, 11635, 13040, 14320, 16640, 16952, 18616, 20864, 21190, 22912, 23270, 26080, 28640, 29177, 33904, 37232, 41728, 42380, 45824, 46540, 52160, 57280, 58354, 67808, 74464, 84760, 93080, 104320, 114560, 116708, 135616, 145885, 148928, 169520, 186160, 208640, 229120, 233416, 271232, 291770, 297856, 339040, 372320, 379301, 466832, 542464, 583540, 595712, 678080, 744640, 758602, 933664, 1167080, 1356160, 1489280, 1517204, 1867328, 1896505, 2334160, 2712320, 2978560, 3034408, 3734656, 3793010, 4668320, 6068816, 7469312, 7586020, 9336640, 12137632, 15172040, 18673280, 24275264, 30344080, 37346560, 48550528, 60688160, 97101056, 121376320, 242752640, 485505280]

約数ペア:

[(1, 485505280), (2, 242752640), (4, 121376320), (5, 97101056), (8, 60688160), (10, 48550528), (13, 37346560), (16, 30344080), (20, 24275264), (26, 18673280), (32, 15172040), (40, 12137632), (52, 9336640), (64, 7586020), (65, 7469312), (80, 6068816), (104, 4668320), (128, 3793010), (130, 3734656), (160, 3034408), (163, 2978560), (179, 2712320), (208, 2334160), (256, 1896505), (260, 1867328), (320, 1517204), (326, 1489280), (358, 1356160), (416, 1167080), (520, 933664), (640, 758602), (652, 744640), (716, 678080), (815, 595712), (832, 583540), (895, 542464), (1040, 466832), (1280, 379301), (1304, 372320), (1432, 339040), (1630, 297856), (1664, 291770), (1790, 271232), (2080, 233416), (2119, 229120), (2327, 208640), (2608, 186160), (2864, 169520), (3260, 148928), (3328, 145885), (3580, 135616), (4160, 116708), (4238, 114560), (4654, 104320), (5216, 93080), (5728, 84760), (6520, 74464), (7160, 67808), (8320, 58354), (8476, 57280), (9308, 52160), (10432, 46540), (10595, 45824), (11456, 42380), (11635, 41728), (13040, 37232), (14320, 33904), (16640, 29177), (16952, 28640), (18616, 26080), (20864, 23270), (21190, 22912)]