20178051040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{11239}}^1$

素因数の和:11497

約数の個数: 144

約数和(自身を含む): 55700719200

約数和(自身を除く): 35522668160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 229, 245, 280, 392, 458, 490, 560, 784, 916, 980, 1120, 1145, 1568, 1603, 1832, 1960, 2290, 3206, 3664, 3920, 4580, 6412, 7328, 7840, 8015, 9160, 11221, 11239, 12824, 16030, 18320, 22442, 22478, 25648, 32060, 36640, 44884, 44956, 51296, 56105, 56195, 64120, 78673, 89768, 89912, 112210, 112390, 128240, 157346, 179536, 179824, 224420, 224780, 256480, 314692, 359072, 359648, 393365, 448840, 449560, 550711, 629384, 786730, 897680, 899120, 1101422, 1258768, 1573460, 1795360, 1798240, 2202844, 2517536, 2573731, 2753555, 3146920, 4405688, 5147462, 5507110, 6293840, 8811376, 10294924, 11014220, 12587680, 12868655, 17622752, 18016117, 20589848, 22028440, 25737310, 36032234, 41179696, 44056880, 51474620, 72064468, 82359392, 88113760, 90080585, 102949240, 126112819, 144128936, 180161170, 205898480, 252225638, 288257872, 360322340, 411796960, 504451276, 576515744, 630564095, 720644680, 1008902552, 1261128190, 1441289360, 2017805104, 2522256380, 2882578720, 4035610208, 5044512760, 10089025520, 20178051040]

約数ペア:

[(1, 20178051040), (2, 10089025520), (4, 5044512760), (5, 4035610208), (7, 2882578720), (8, 2522256380), (10, 2017805104), (14, 1441289360), (16, 1261128190), (20, 1008902552), (28, 720644680), (32, 630564095), (35, 576515744), (40, 504451276), (49, 411796960), (56, 360322340), (70, 288257872), (80, 252225638), (98, 205898480), (112, 180161170), (140, 144128936), (160, 126112819), (196, 102949240), (224, 90080585), (229, 88113760), (245, 82359392), (280, 72064468), (392, 51474620), (458, 44056880), (490, 41179696), (560, 36032234), (784, 25737310), (916, 22028440), (980, 20589848), (1120, 18016117), (1145, 17622752), (1568, 12868655), (1603, 12587680), (1832, 11014220), (1960, 10294924), (2290, 8811376), (3206, 6293840), (3664, 5507110), (3920, 5147462), (4580, 4405688), (6412, 3146920), (7328, 2753555), (7840, 2573731), (8015, 2517536), (9160, 2202844), (11221, 1798240), (11239, 1795360), (12824, 1573460), (16030, 1258768), (18320, 1101422), (22442, 899120), (22478, 897680), (25648, 786730), (32060, 629384), (36640, 550711), (44884, 449560), (44956, 448840), (51296, 393365), (56105, 359648), (56195, 359072), (64120, 314692), (78673, 256480), (89768, 224780), (89912, 224420), (112210, 179824), (112390, 179536), (128240, 157346)]