644253216

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 192

約数和(自身を含む): 1916006400

約数和(自身を除く): 1271753184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 68, 76, 79, 96, 102, 114, 136, 152, 158, 204, 228, 237, 263, 272, 304, 316, 323, 408, 456, 474, 526, 544, 608, 632, 646, 789, 816, 912, 948, 969, 1052, 1264, 1292, 1343, 1501, 1578, 1632, 1824, 1896, 1938, 2104, 2528, 2584, 2686, 3002, 3156, 3792, 3876, 4029, 4208, 4471, 4503, 4997, 5168, 5372, 6004, 6312, 7584, 7752, 8058, 8416, 8942, 9006, 9994, 10336, 10744, 12008, 12624, 13413, 14991, 15504, 16116, 17884, 18012, 19988, 20777, 21488, 24016, 25248, 25517, 26826, 29982, 31008, 32232, 35768, 36024, 39976, 41554, 42976, 48032, 51034, 53652, 59964, 62331, 64464, 71536, 72048, 76551, 79952, 83108, 84949, 102068, 107304, 119928, 124662, 128928, 143072, 144096, 153102, 159904, 166216, 169898, 204136, 214608, 239856, 249324, 254847, 306204, 332432, 339796, 353209, 394763, 408272, 429216, 479712, 498648, 509694, 612408, 664864, 679592, 706418, 789526, 816544, 997296, 1019388, 1059627, 1184289, 1224816, 1359184, 1412836, 1579052, 1994592, 2038776, 2119254, 2368578, 2449632, 2718368, 2825672, 3158104, 4077552, 4238508, 4737156, 5651344, 6316208, 6710971, 8155104, 8477016, 9474312, 11302688, 12632416, 13421942, 16954032, 18948624, 20132913, 26843884, 33908064, 37897248, 40265826, 53687768, 80531652, 107375536, 161063304, 214751072, 322126608, 644253216]

約数ペア:

[(1, 644253216), (2, 322126608), (3, 214751072), (4, 161063304), (6, 107375536), (8, 80531652), (12, 53687768), (16, 40265826), (17, 37897248), (19, 33908064), (24, 26843884), (32, 20132913), (34, 18948624), (38, 16954032), (48, 13421942), (51, 12632416), (57, 11302688), (68, 9474312), (76, 8477016), (79, 8155104), (96, 6710971), (102, 6316208), (114, 5651344), (136, 4737156), (152, 4238508), (158, 4077552), (204, 3158104), (228, 2825672), (237, 2718368), (263, 2449632), (272, 2368578), (304, 2119254), (316, 2038776), (323, 1994592), (408, 1579052), (456, 1412836), (474, 1359184), (526, 1224816), (544, 1184289), (608, 1059627), (632, 1019388), (646, 997296), (789, 816544), (816, 789526), (912, 706418), (948, 679592), (969, 664864), (1052, 612408), (1264, 509694), (1292, 498648), (1343, 479712), (1501, 429216), (1578, 408272), (1632, 394763), (1824, 353209), (1896, 339796), (1938, 332432), (2104, 306204), (2528, 254847), (2584, 249324), (2686, 239856), (3002, 214608), (3156, 204136), (3792, 169898), (3876, 166216), (4029, 159904), (4208, 153102), (4471, 144096), (4503, 143072), (4997, 128928), (5168, 124662), (5372, 119928), (6004, 107304), (6312, 102068), (7584, 84949), (7752, 83108), (8058, 79952), (8416, 76551), (8942, 72048), (9006, 71536), (9994, 64464), (10336, 62331), (10744, 59964), (12008, 53652), (12624, 51034), (13413, 48032), (14991, 42976), (15504, 41554), (16116, 39976), (17884, 36024), (18012, 35768), (19988, 32232), (20777, 31008), (21488, 29982), (24016, 26826), (25248, 25517)]