15991360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 168

約数和(自身を含む): 48646080

約数和(自身を除く): 32654720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 59, 64, 70, 77, 80, 88, 110, 112, 118, 121, 140, 154, 160, 176, 220, 224, 236, 242, 280, 295, 308, 320, 352, 385, 413, 440, 448, 472, 484, 560, 590, 605, 616, 649, 704, 770, 826, 847, 880, 944, 968, 1120, 1180, 1210, 1232, 1298, 1540, 1652, 1694, 1760, 1888, 1936, 2065, 2240, 2360, 2420, 2464, 2596, 3080, 3245, 3304, 3388, 3520, 3776, 3872, 4130, 4235, 4543, 4720, 4840, 4928, 5192, 6160, 6490, 6608, 6776, 7139, 7744, 8260, 8470, 9086, 9440, 9680, 10384, 12320, 12980, 13216, 13552, 14278, 16520, 16940, 18172, 18880, 19360, 20768, 22715, 24640, 25960, 26432, 27104, 28556, 33040, 33880, 35695, 36344, 38720, 41536, 45430, 49973, 51920, 54208, 57112, 66080, 67760, 71390, 72688, 90860, 99946, 103840, 114224, 132160, 135520, 142780, 145376, 181720, 199892, 207680, 228448, 249865, 271040, 285560, 290752, 363440, 399784, 456896, 499730, 571120, 726880, 799568, 999460, 1142240, 1453760, 1599136, 1998920, 2284480, 3198272, 3997840, 7995680, 15991360]

約数ペア:

[(1, 15991360), (2, 7995680), (4, 3997840), (5, 3198272), (7, 2284480), (8, 1998920), (10, 1599136), (11, 1453760), (14, 1142240), (16, 999460), (20, 799568), (22, 726880), (28, 571120), (32, 499730), (35, 456896), (40, 399784), (44, 363440), (55, 290752), (56, 285560), (59, 271040), (64, 249865), (70, 228448), (77, 207680), (80, 199892), (88, 181720), (110, 145376), (112, 142780), (118, 135520), (121, 132160), (140, 114224), (154, 103840), (160, 99946), (176, 90860), (220, 72688), (224, 71390), (236, 67760), (242, 66080), (280, 57112), (295, 54208), (308, 51920), (320, 49973), (352, 45430), (385, 41536), (413, 38720), (440, 36344), (448, 35695), (472, 33880), (484, 33040), (560, 28556), (590, 27104), (605, 26432), (616, 25960), (649, 24640), (704, 22715), (770, 20768), (826, 19360), (847, 18880), (880, 18172), (944, 16940), (968, 16520), (1120, 14278), (1180, 13552), (1210, 13216), (1232, 12980), (1298, 12320), (1540, 10384), (1652, 9680), (1694, 9440), (1760, 9086), (1888, 8470), (1936, 8260), (2065, 7744), (2240, 7139), (2360, 6776), (2420, 6608), (2464, 6490), (2596, 6160), (3080, 5192), (3245, 4928), (3304, 4840), (3388, 4720), (3520, 4543), (3776, 4235), (3872, 4130)]