639645936

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 1773219840

約数和(自身を除く): 1133573904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 47, 48, 74, 79, 94, 97, 111, 141, 148, 158, 188, 194, 222, 237, 282, 291, 296, 316, 376, 388, 444, 474, 564, 582, 592, 632, 752, 776, 888, 948, 1128, 1164, 1264, 1552, 1739, 1776, 1896, 2256, 2328, 2923, 3478, 3589, 3713, 3792, 4559, 4656, 5217, 5846, 6956, 7178, 7426, 7663, 8769, 9118, 10434, 10767, 11139, 11692, 13677, 13912, 14356, 14852, 15326, 17538, 18236, 20868, 21534, 22278, 22989, 23384, 27354, 27824, 28712, 29704, 30652, 35076, 36472, 41736, 43068, 44556, 45978, 46768, 54708, 57424, 59408, 61304, 70152, 72944, 83472, 86136, 89112, 91956, 109416, 122608, 137381, 140304, 168683, 172272, 178224, 183912, 218832, 274762, 283531, 337366, 360161, 367824, 412143, 506049, 549524, 567062, 674732, 720322, 824286, 850593, 1012098, 1080483, 1099048, 1134124, 1349464, 1440644, 1648572, 1701186, 2024196, 2160966, 2198096, 2268248, 2698928, 2881288, 3297144, 3402372, 4048392, 4321932, 4536496, 5762576, 6594288, 6804744, 8096784, 8643864, 13325957, 13609488, 17287728, 26651914, 39977871, 53303828, 79955742, 106607656, 159911484, 213215312, 319822968, 639645936]

約数ペア:

[(1, 639645936), (2, 319822968), (3, 213215312), (4, 159911484), (6, 106607656), (8, 79955742), (12, 53303828), (16, 39977871), (24, 26651914), (37, 17287728), (47, 13609488), (48, 13325957), (74, 8643864), (79, 8096784), (94, 6804744), (97, 6594288), (111, 5762576), (141, 4536496), (148, 4321932), (158, 4048392), (188, 3402372), (194, 3297144), (222, 2881288), (237, 2698928), (282, 2268248), (291, 2198096), (296, 2160966), (316, 2024196), (376, 1701186), (388, 1648572), (444, 1440644), (474, 1349464), (564, 1134124), (582, 1099048), (592, 1080483), (632, 1012098), (752, 850593), (776, 824286), (888, 720322), (948, 674732), (1128, 567062), (1164, 549524), (1264, 506049), (1552, 412143), (1739, 367824), (1776, 360161), (1896, 337366), (2256, 283531), (2328, 274762), (2923, 218832), (3478, 183912), (3589, 178224), (3713, 172272), (3792, 168683), (4559, 140304), (4656, 137381), (5217, 122608), (5846, 109416), (6956, 91956), (7178, 89112), (7426, 86136), (7663, 83472), (8769, 72944), (9118, 70152), (10434, 61304), (10767, 59408), (11139, 57424), (11692, 54708), (13677, 46768), (13912, 45978), (14356, 44556), (14852, 43068), (15326, 41736), (17538, 36472), (18236, 35076), (20868, 30652), (21534, 29704), (22278, 28712), (22989, 27824), (23384, 27354)]