641491344

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 240

約数和(自身を含む): 2066867712

約数和(自身を除く): 1425376368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 47, 48, 52, 69, 72, 78, 92, 94, 104, 117, 138, 141, 144, 156, 184, 188, 207, 208, 234, 276, 282, 299, 312, 317, 368, 376, 414, 423, 468, 552, 564, 598, 611, 624, 634, 752, 828, 846, 897, 936, 951, 1081, 1104, 1128, 1196, 1222, 1268, 1656, 1692, 1794, 1833, 1872, 1902, 2162, 2256, 2392, 2444, 2536, 2691, 2853, 3243, 3312, 3384, 3588, 3666, 3804, 4121, 4324, 4784, 4888, 5072, 5382, 5499, 5706, 6486, 6768, 7176, 7291, 7332, 7608, 8242, 8648, 9729, 9776, 10764, 10998, 11412, 12363, 12972, 14053, 14352, 14582, 14664, 14899, 15216, 16484, 17296, 19458, 21528, 21873, 21996, 22824, 24726, 25944, 28106, 29164, 29328, 29798, 32968, 37089, 38916, 42159, 43056, 43746, 43992, 44697, 45648, 49452, 51888, 56212, 58328, 59596, 65619, 65936, 74178, 77832, 84318, 87492, 87984, 89394, 94783, 98904, 112424, 116656, 119192, 126477, 131238, 134091, 148356, 155664, 168636, 174984, 178788, 189566, 193687, 197808, 224848, 238384, 252954, 262476, 268182, 284349, 296712, 337272, 342677, 349968, 357576, 379132, 387374, 505908, 524952, 536364, 568698, 581061, 593424, 674544, 685354, 715152, 758264, 774748, 853047, 1011816, 1028031, 1049904, 1072728, 1137396, 1162122, 1370708, 1516528, 1549496, 1706094, 1743183, 2023632, 2056062, 2145456, 2274792, 2324244, 2741416, 3084093, 3098992, 3412188, 3486366, 4112124, 4454801, 4549584, 4648488, 5482832, 6168186, 6824376, 6972732, 8224248, 8909602, 9296976, 12336372, 13364403, 13648752, 13945464, 16448496, 17819204, 24672744, 26728806, 27890928, 35638408, 40093209, 49345488, 53457612, 71276816, 80186418, 106915224, 160372836, 213830448, 320745672, 641491344]

約数ペア:

[(1, 641491344), (2, 320745672), (3, 213830448), (4, 160372836), (6, 106915224), (8, 80186418), (9, 71276816), (12, 53457612), (13, 49345488), (16, 40093209), (18, 35638408), (23, 27890928), (24, 26728806), (26, 24672744), (36, 17819204), (39, 16448496), (46, 13945464), (47, 13648752), (48, 13364403), (52, 12336372), (69, 9296976), (72, 8909602), (78, 8224248), (92, 6972732), (94, 6824376), (104, 6168186), (117, 5482832), (138, 4648488), (141, 4549584), (144, 4454801), (156, 4112124), (184, 3486366), (188, 3412188), (207, 3098992), (208, 3084093), (234, 2741416), (276, 2324244), (282, 2274792), (299, 2145456), (312, 2056062), (317, 2023632), (368, 1743183), (376, 1706094), (414, 1549496), (423, 1516528), (468, 1370708), (552, 1162122), (564, 1137396), (598, 1072728), (611, 1049904), (624, 1028031), (634, 1011816), (752, 853047), (828, 774748), (846, 758264), (897, 715152), (936, 685354), (951, 674544), (1081, 593424), (1104, 581061), (1128, 568698), (1196, 536364), (1222, 524952), (1268, 505908), (1656, 387374), (1692, 379132), (1794, 357576), (1833, 349968), (1872, 342677), (1902, 337272), (2162, 296712), (2256, 284349), (2392, 268182), (2444, 262476), (2536, 252954), (2691, 238384), (2853, 224848), (3243, 197808), (3312, 193687), (3384, 189566), (3588, 178788), (3666, 174984), (3804, 168636), (4121, 155664), (4324, 148356), (4784, 134091), (4888, 131238), (5072, 126477), (5382, 119192), (5499, 116656), (5706, 112424), (6486, 98904), (6768, 94783), (7176, 89394), (7291, 87984), (7332, 87492), (7608, 84318), (8242, 77832), (8648, 74178), (9729, 65936), (9776, 65619), (10764, 59596), (10998, 58328), (11412, 56212), (12363, 51888), (12972, 49452), (14053, 45648), (14352, 44697), (14582, 43992), (14664, 43746), (14899, 43056), (15216, 42159), (16484, 38916), (17296, 37089), (19458, 32968), (21528, 29798), (21873, 29328), (21996, 29164), (22824, 28106), (24726, 25944)]