641991168

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1575

約数の個数: 240

約数和(自身を含む): 2281895616

約数和(自身を除く): 1639904448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 512, 546, 576, 624, 672, 728, 768, 819, 832, 896, 936, 1008, 1092, 1152, 1248, 1344, 1456, 1531, 1536, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2496, 2688, 2912, 3062, 3276, 3328, 3584, 3744, 4032, 4368, 4593, 4608, 4992, 5376, 5824, 6124, 6552, 6656, 7488, 8064, 8736, 9186, 9984, 10717, 10752, 11648, 12248, 13104, 13779, 14976, 16128, 17472, 18372, 19903, 19968, 21434, 23296, 24496, 26208, 27558, 29952, 32151, 32256, 34944, 36744, 39806, 42868, 46592, 48992, 52416, 55116, 59709, 59904, 64302, 69888, 73488, 79612, 85736, 96453, 97984, 104832, 110232, 119418, 128604, 139321, 139776, 146976, 159224, 171472, 179127, 192906, 195968, 209664, 220464, 238836, 257208, 278642, 293952, 318448, 342944, 358254, 385812, 391936, 417963, 419328, 440928, 477672, 514416, 557284, 587904, 636896, 685888, 716508, 771624, 783872, 835926, 881856, 955344, 1028832, 1114568, 1175808, 1253889, 1273792, 1371776, 1433016, 1543248, 1671852, 1763712, 1910688, 2057664, 2229136, 2351616, 2507778, 2547584, 2743552, 2866032, 3086496, 3343704, 3527424, 3821376, 4115328, 4458272, 5015556, 5095168, 5487104, 5732064, 6172992, 6687408, 7054848, 7642752, 8230656, 8916544, 10031112, 10190336, 11464128, 12345984, 13374816, 15285504, 16461312, 17833088, 20062224, 22928256, 24691968, 26749632, 30571008, 35666176, 40124448, 45856512, 49383936, 53499264, 71332352, 80248896, 91713024, 106998528, 160497792, 213997056, 320995584, 641991168]

約数ペア:

[(1, 641991168), (2, 320995584), (3, 213997056), (4, 160497792), (6, 106998528), (7, 91713024), (8, 80248896), (9, 71332352), (12, 53499264), (13, 49383936), (14, 45856512), (16, 40124448), (18, 35666176), (21, 30571008), (24, 26749632), (26, 24691968), (28, 22928256), (32, 20062224), (36, 17833088), (39, 16461312), (42, 15285504), (48, 13374816), (52, 12345984), (56, 11464128), (63, 10190336), (64, 10031112), (72, 8916544), (78, 8230656), (84, 7642752), (91, 7054848), (96, 6687408), (104, 6172992), (112, 5732064), (117, 5487104), (126, 5095168), (128, 5015556), (144, 4458272), (156, 4115328), (168, 3821376), (182, 3527424), (192, 3343704), (208, 3086496), (224, 2866032), (234, 2743552), (252, 2547584), (256, 2507778), (273, 2351616), (288, 2229136), (312, 2057664), (336, 1910688), (364, 1763712), (384, 1671852), (416, 1543248), (448, 1433016), (468, 1371776), (504, 1273792), (512, 1253889), (546, 1175808), (576, 1114568), (624, 1028832), (672, 955344), (728, 881856), (768, 835926), (819, 783872), (832, 771624), (896, 716508), (936, 685888), (1008, 636896), (1092, 587904), (1152, 557284), (1248, 514416), (1344, 477672), (1456, 440928), (1531, 419328), (1536, 417963), (1638, 391936), (1664, 385812), (1792, 358254), (1872, 342944), (2016, 318448), (2184, 293952), (2304, 278642), (2496, 257208), (2688, 238836), (2912, 220464), (3062, 209664), (3276, 195968), (3328, 192906), (3584, 179127), (3744, 171472), (4032, 159224), (4368, 146976), (4593, 139776), (4608, 139321), (4992, 128604), (5376, 119418), (5824, 110232), (6124, 104832), (6552, 97984), (6656, 96453), (7488, 85736), (8064, 79612), (8736, 73488), (9186, 69888), (9984, 64302), (10717, 59904), (10752, 59709), (11648, 55116), (12248, 52416), (13104, 48992), (13779, 46592), (14976, 42868), (16128, 39806), (17472, 36744), (18372, 34944), (19903, 32256), (19968, 32151), (21434, 29952), (23296, 27558), (24496, 26208)]