639563256

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 256

約数和(自身を含む): 2021760000

約数和(自身を除く): 1382196744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 27, 34, 36, 38, 51, 54, 57, 68, 72, 76, 89, 102, 103, 108, 114, 136, 152, 153, 171, 178, 204, 206, 216, 228, 267, 306, 309, 323, 342, 356, 408, 412, 456, 459, 513, 534, 612, 618, 646, 684, 712, 801, 824, 918, 927, 969, 1026, 1068, 1224, 1236, 1292, 1368, 1513, 1602, 1691, 1751, 1836, 1854, 1938, 1957, 2052, 2136, 2403, 2472, 2584, 2781, 2907, 3026, 3204, 3382, 3502, 3672, 3708, 3876, 3914, 4104, 4539, 4806, 5073, 5253, 5562, 5814, 5871, 6052, 6408, 6764, 7004, 7416, 7752, 7828, 8721, 9078, 9167, 9612, 10146, 10506, 11124, 11628, 11742, 12104, 13528, 13617, 14008, 15219, 15656, 15759, 17442, 17613, 18156, 18334, 19224, 20292, 21012, 22248, 23256, 23484, 27234, 27501, 28747, 30438, 31518, 33269, 34884, 35226, 36312, 36668, 40584, 40851, 42024, 45657, 46968, 47277, 52839, 54468, 55002, 57494, 60876, 63036, 66538, 69768, 70452, 73336, 81702, 82503, 86241, 91314, 94554, 99807, 105678, 108936, 110004, 114988, 121752, 126072, 133076, 140904, 155839, 163404, 165006, 172482, 174173, 182628, 189108, 199614, 211356, 220008, 229976, 247509, 258723, 266152, 299421, 311678, 326808, 330012, 344964, 348346, 365256, 378216, 399228, 422712, 467517, 495018, 517446, 522519, 598842, 623356, 660024, 689928, 696692, 776169, 798456, 898263, 935034, 990036, 1034892, 1045038, 1197684, 1246712, 1393384, 1402551, 1552338, 1567557, 1796526, 1870068, 1980072, 2069784, 2090076, 2395368, 2805102, 2960941, 3104676, 3135114, 3593052, 3740136, 4180152, 4207653, 4702671, 5610204, 5921882, 6209352, 6270228, 7186104, 8415306, 8882823, 9405342, 11220408, 11843764, 12540456, 16830612, 17765646, 18810684, 23687528, 26648469, 33661224, 35531292, 37621368, 53296938, 71062584, 79945407, 106593876, 159890814, 213187752, 319781628, 639563256]

約数ペア:

[(1, 639563256), (2, 319781628), (3, 213187752), (4, 159890814), (6, 106593876), (8, 79945407), (9, 71062584), (12, 53296938), (17, 37621368), (18, 35531292), (19, 33661224), (24, 26648469), (27, 23687528), (34, 18810684), (36, 17765646), (38, 16830612), (51, 12540456), (54, 11843764), (57, 11220408), (68, 9405342), (72, 8882823), (76, 8415306), (89, 7186104), (102, 6270228), (103, 6209352), (108, 5921882), (114, 5610204), (136, 4702671), (152, 4207653), (153, 4180152), (171, 3740136), (178, 3593052), (204, 3135114), (206, 3104676), (216, 2960941), (228, 2805102), (267, 2395368), (306, 2090076), (309, 2069784), (323, 1980072), (342, 1870068), (356, 1796526), (408, 1567557), (412, 1552338), (456, 1402551), (459, 1393384), (513, 1246712), (534, 1197684), (612, 1045038), (618, 1034892), (646, 990036), (684, 935034), (712, 898263), (801, 798456), (824, 776169), (918, 696692), (927, 689928), (969, 660024), (1026, 623356), (1068, 598842), (1224, 522519), (1236, 517446), (1292, 495018), (1368, 467517), (1513, 422712), (1602, 399228), (1691, 378216), (1751, 365256), (1836, 348346), (1854, 344964), (1938, 330012), (1957, 326808), (2052, 311678), (2136, 299421), (2403, 266152), (2472, 258723), (2584, 247509), (2781, 229976), (2907, 220008), (3026, 211356), (3204, 199614), (3382, 189108), (3502, 182628), (3672, 174173), (3708, 172482), (3876, 165006), (3914, 163404), (4104, 155839), (4539, 140904), (4806, 133076), (5073, 126072), (5253, 121752), (5562, 114988), (5814, 110004), (5871, 108936), (6052, 105678), (6408, 99807), (6764, 94554), (7004, 91314), (7416, 86241), (7752, 82503), (7828, 81702), (8721, 73336), (9078, 70452), (9167, 69768), (9612, 66538), (10146, 63036), (10506, 60876), (11124, 57494), (11628, 55002), (11742, 54468), (12104, 52839), (13528, 47277), (13617, 46968), (14008, 45657), (15219, 42024), (15656, 40851), (15759, 40584), (17442, 36668), (17613, 36312), (18156, 35226), (18334, 34884), (19224, 33269), (20292, 31518), (21012, 30438), (22248, 28747), (23256, 27501), (23484, 27234)]