20391403440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263047}}^1$

素因数の和:263099

約数の個数: 160

約数和(自身を含む): 70454776320

約数和(自身を除く): 50063372880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4080, 4560, 4845, 5168, 6460, 7752, 9690, 12920, 15504, 19380, 25840, 38760, 77520, 263047, 526094, 789141, 1052188, 1315235, 1578282, 2104376, 2630470, 3156564, 3945705, 4208752, 4471799, 4997893, 5260940, 6313128, 7891410, 8943598, 9995786, 10521880, 12626256, 13415397, 14993679, 15782820, 17887196, 19991572, 21043760, 22358995, 24989465, 26830794, 29987358, 31565640, 35774392, 39983144, 44717990, 49978930, 53661588, 59974716, 63131280, 67076985, 71548784, 74968395, 79966288, 84964181, 89435980, 99957860, 107323176, 119949432, 134153970, 149936790, 169928362, 178871960, 199915720, 214646352, 239898864, 254892543, 268307940, 299873580, 339856724, 357743920, 399831440, 424820905, 509785086, 536615880, 599747160, 679713448, 849641810, 1019570172, 1073231760, 1199494320, 1274462715, 1359426896, 1699283620, 2039140344, 2548925430, 3398567240, 4078280688, 5097850860, 6797134480, 10195701720, 20391403440]

約数ペア:

[(1, 20391403440), (2, 10195701720), (3, 6797134480), (4, 5097850860), (5, 4078280688), (6, 3398567240), (8, 2548925430), (10, 2039140344), (12, 1699283620), (15, 1359426896), (16, 1274462715), (17, 1199494320), (19, 1073231760), (20, 1019570172), (24, 849641810), (30, 679713448), (34, 599747160), (38, 536615880), (40, 509785086), (48, 424820905), (51, 399831440), (57, 357743920), (60, 339856724), (68, 299873580), (76, 268307940), (80, 254892543), (85, 239898864), (95, 214646352), (102, 199915720), (114, 178871960), (120, 169928362), (136, 149936790), (152, 134153970), (170, 119949432), (190, 107323176), (204, 99957860), (228, 89435980), (240, 84964181), (255, 79966288), (272, 74968395), (285, 71548784), (304, 67076985), (323, 63131280), (340, 59974716), (380, 53661588), (408, 49978930), (456, 44717990), (510, 39983144), (570, 35774392), (646, 31565640), (680, 29987358), (760, 26830794), (816, 24989465), (912, 22358995), (969, 21043760), (1020, 19991572), (1140, 17887196), (1292, 15782820), (1360, 14993679), (1520, 13415397), (1615, 12626256), (1938, 10521880), (2040, 9995786), (2280, 8943598), (2584, 7891410), (3230, 6313128), (3876, 5260940), (4080, 4997893), (4560, 4471799), (4845, 4208752), (5168, 3945705), (6460, 3156564), (7752, 2630470), (9690, 2104376), (12920, 1578282), (15504, 1315235), (19380, 1052188), (25840, 789141), (38760, 526094), (77520, 263047)]