639841488

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 240

約数和(自身を含む): 2027245248

約数和(自身を除く): 1387403760

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 97, 104, 124, 132, 143, 156, 176, 186, 194, 208, 248, 264, 286, 291, 312, 341, 372, 388, 403, 429, 496, 528, 572, 582, 624, 682, 744, 776, 806, 858, 961, 1023, 1067, 1144, 1164, 1209, 1261, 1364, 1488, 1552, 1612, 1716, 1922, 2046, 2134, 2288, 2328, 2418, 2522, 2728, 2883, 3007, 3201, 3224, 3432, 3783, 3844, 4092, 4268, 4433, 4656, 4836, 5044, 5456, 5766, 6014, 6402, 6448, 6864, 7566, 7688, 8184, 8536, 8866, 9021, 9672, 10088, 10571, 11532, 12028, 12493, 12804, 13299, 13871, 15132, 15376, 16368, 17072, 17732, 18042, 19344, 20176, 21142, 23064, 24056, 24986, 25608, 26598, 27742, 30264, 31713, 33077, 35464, 36084, 37479, 39091, 41613, 42284, 46128, 48112, 49972, 51216, 53196, 55484, 60528, 63426, 66154, 70928, 72168, 74958, 78182, 83226, 84568, 93217, 99231, 99944, 106392, 110968, 117273, 126852, 132308, 137423, 144336, 149916, 156364, 166452, 169136, 186434, 198462, 199888, 212784, 221936, 234546, 253704, 264616, 274846, 279651, 299832, 312728, 332904, 372868, 396924, 412269, 430001, 469092, 507408, 529232, 549692, 559302, 599664, 625456, 665808, 745736, 793848, 824538, 860002, 938184, 1025387, 1099384, 1118604, 1211821, 1290003, 1491472, 1587696, 1649076, 1720004, 1876368, 2050774, 2198768, 2237208, 2423642, 2580006, 3076161, 3298152, 3440008, 3635463, 4101548, 4474416, 4847284, 5160012, 6152322, 6596304, 6880016, 7270926, 8203096, 9694568, 10320024, 12304644, 13330031, 14541852, 16406192, 19389136, 20640048, 24609288, 26660062, 29083704, 39990093, 49218576, 53320124, 58167408, 79980186, 106640248, 159960372, 213280496, 319920744, 639841488]

約数ペア:

[(1, 639841488), (2, 319920744), (3, 213280496), (4, 159960372), (6, 106640248), (8, 79980186), (11, 58167408), (12, 53320124), (13, 49218576), (16, 39990093), (22, 29083704), (24, 26660062), (26, 24609288), (31, 20640048), (33, 19389136), (39, 16406192), (44, 14541852), (48, 13330031), (52, 12304644), (62, 10320024), (66, 9694568), (78, 8203096), (88, 7270926), (93, 6880016), (97, 6596304), (104, 6152322), (124, 5160012), (132, 4847284), (143, 4474416), (156, 4101548), (176, 3635463), (186, 3440008), (194, 3298152), (208, 3076161), (248, 2580006), (264, 2423642), (286, 2237208), (291, 2198768), (312, 2050774), (341, 1876368), (372, 1720004), (388, 1649076), (403, 1587696), (429, 1491472), (496, 1290003), (528, 1211821), (572, 1118604), (582, 1099384), (624, 1025387), (682, 938184), (744, 860002), (776, 824538), (806, 793848), (858, 745736), (961, 665808), (1023, 625456), (1067, 599664), (1144, 559302), (1164, 549692), (1209, 529232), (1261, 507408), (1364, 469092), (1488, 430001), (1552, 412269), (1612, 396924), (1716, 372868), (1922, 332904), (2046, 312728), (2134, 299832), (2288, 279651), (2328, 274846), (2418, 264616), (2522, 253704), (2728, 234546), (2883, 221936), (3007, 212784), (3201, 199888), (3224, 198462), (3432, 186434), (3783, 169136), (3844, 166452), (4092, 156364), (4268, 149916), (4433, 144336), (4656, 137423), (4836, 132308), (5044, 126852), (5456, 117273), (5766, 110968), (6014, 106392), (6402, 99944), (6448, 99231), (6864, 93217), (7566, 84568), (7688, 83226), (8184, 78182), (8536, 74958), (8866, 72168), (9021, 70928), (9672, 66154), (10088, 63426), (10571, 60528), (11532, 55484), (12028, 53196), (12493, 51216), (12804, 49972), (13299, 48112), (13871, 46128), (15132, 42284), (15376, 41613), (16368, 39091), (17072, 37479), (17732, 36084), (18042, 35464), (19344, 33077), (20176, 31713), (21142, 30264), (23064, 27742), (24056, 26598), (24986, 25608)]