78408972

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 221168640

約数和(自身を除く): 142759668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 47, 54, 57, 76, 81, 94, 108, 114, 141, 162, 171, 188, 228, 271, 282, 324, 342, 423, 513, 542, 564, 684, 813, 846, 893, 1026, 1084, 1269, 1539, 1626, 1692, 1786, 2052, 2439, 2538, 2679, 3078, 3252, 3572, 3807, 4878, 5076, 5149, 5358, 6156, 7317, 7614, 8037, 9756, 10298, 10716, 12737, 14634, 15228, 15447, 16074, 20596, 21951, 24111, 25474, 29268, 30894, 32148, 38211, 43902, 46341, 48222, 50948, 61788, 72333, 76422, 87804, 92682, 96444, 114633, 139023, 144666, 152844, 185364, 229266, 242003, 278046, 289332, 343899, 417069, 458532, 484006, 556092, 687798, 726009, 834138, 968012, 1031697, 1375596, 1452018, 1668276, 2063394, 2178027, 2904036, 4126788, 4356054, 6534081, 8712108, 13068162, 19602243, 26136324, 39204486, 78408972]

約数ペア:

[(1, 78408972), (2, 39204486), (3, 26136324), (4, 19602243), (6, 13068162), (9, 8712108), (12, 6534081), (18, 4356054), (19, 4126788), (27, 2904036), (36, 2178027), (38, 2063394), (47, 1668276), (54, 1452018), (57, 1375596), (76, 1031697), (81, 968012), (94, 834138), (108, 726009), (114, 687798), (141, 556092), (162, 484006), (171, 458532), (188, 417069), (228, 343899), (271, 289332), (282, 278046), (324, 242003), (342, 229266), (423, 185364), (513, 152844), (542, 144666), (564, 139023), (684, 114633), (813, 96444), (846, 92682), (893, 87804), (1026, 76422), (1084, 72333), (1269, 61788), (1539, 50948), (1626, 48222), (1692, 46341), (1786, 43902), (2052, 38211), (2439, 32148), (2538, 30894), (2679, 29268), (3078, 25474), (3252, 24111), (3572, 21951), (3807, 20596), (4878, 16074), (5076, 15447), (5149, 15228), (5358, 14634), (6156, 12737), (7317, 10716), (7614, 10298), (8037, 9756)]