40384960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 168

約数和(自身を含む): 121615200

約数和(自身を除く): 81230240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 140, 149, 154, 160, 176, 220, 224, 242, 280, 298, 308, 320, 352, 385, 440, 448, 484, 560, 596, 605, 616, 704, 745, 770, 847, 880, 968, 1043, 1120, 1192, 1210, 1232, 1490, 1540, 1639, 1694, 1760, 1936, 2086, 2240, 2384, 2420, 2464, 2980, 3080, 3278, 3388, 3520, 3872, 4172, 4235, 4768, 4840, 4928, 5215, 5960, 6160, 6556, 6776, 7744, 8195, 8344, 8470, 9536, 9680, 10430, 11473, 11920, 12320, 13112, 13552, 16390, 16688, 16940, 18029, 19360, 20860, 22946, 23840, 24640, 26224, 27104, 32780, 33376, 33880, 36058, 38720, 41720, 45892, 47680, 52448, 54208, 57365, 65560, 66752, 67760, 72116, 83440, 90145, 91784, 104896, 114730, 126203, 131120, 135520, 144232, 166880, 180290, 183568, 229460, 252406, 262240, 271040, 288464, 333760, 360580, 367136, 458920, 504812, 524480, 576928, 631015, 721160, 734272, 917840, 1009624, 1153856, 1262030, 1442320, 1835680, 2019248, 2524060, 2884640, 3671360, 4038496, 5048120, 5769280, 8076992, 10096240, 20192480, 40384960]

約数ペア:

[(1, 40384960), (2, 20192480), (4, 10096240), (5, 8076992), (7, 5769280), (8, 5048120), (10, 4038496), (11, 3671360), (14, 2884640), (16, 2524060), (20, 2019248), (22, 1835680), (28, 1442320), (32, 1262030), (35, 1153856), (40, 1009624), (44, 917840), (55, 734272), (56, 721160), (64, 631015), (70, 576928), (77, 524480), (80, 504812), (88, 458920), (110, 367136), (112, 360580), (121, 333760), (140, 288464), (149, 271040), (154, 262240), (160, 252406), (176, 229460), (220, 183568), (224, 180290), (242, 166880), (280, 144232), (298, 135520), (308, 131120), (320, 126203), (352, 114730), (385, 104896), (440, 91784), (448, 90145), (484, 83440), (560, 72116), (596, 67760), (605, 66752), (616, 65560), (704, 57365), (745, 54208), (770, 52448), (847, 47680), (880, 45892), (968, 41720), (1043, 38720), (1120, 36058), (1192, 33880), (1210, 33376), (1232, 32780), (1490, 27104), (1540, 26224), (1639, 24640), (1694, 23840), (1760, 22946), (1936, 20860), (2086, 19360), (2240, 18029), (2384, 16940), (2420, 16688), (2464, 16390), (2980, 13552), (3080, 13112), (3278, 12320), (3388, 11920), (3520, 11473), (3872, 10430), (4172, 9680), (4235, 9536), (4768, 8470), (4840, 8344), (4928, 8195), (5215, 7744), (5960, 6776), (6160, 6556)]