256456260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6689}}^1$

素因数の和:6778

約数の個数: 96

約数和(自身を含む): 809222400

約数和(自身を除く): 552766140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 852, 1065, 1278, 1420, 1917, 2130, 2556, 3195, 3834, 4260, 6390, 6689, 7668, 9585, 12780, 13378, 19170, 20067, 26756, 33445, 38340, 40134, 60201, 66890, 80268, 100335, 120402, 133780, 180603, 200670, 240804, 301005, 361206, 401340, 474919, 602010, 722412, 903015, 949838, 1204020, 1424757, 1806030, 1899676, 2374595, 2849514, 3612060, 4274271, 4749190, 5699028, 7123785, 8548542, 9498380, 12822813, 14247570, 17097084, 21371355, 25645626, 28495140, 42742710, 51291252, 64114065, 85485420, 128228130, 256456260]

約数ペア:

[(1, 256456260), (2, 128228130), (3, 85485420), (4, 64114065), (5, 51291252), (6, 42742710), (9, 28495140), (10, 25645626), (12, 21371355), (15, 17097084), (18, 14247570), (20, 12822813), (27, 9498380), (30, 8548542), (36, 7123785), (45, 5699028), (54, 4749190), (60, 4274271), (71, 3612060), (90, 2849514), (108, 2374595), (135, 1899676), (142, 1806030), (180, 1424757), (213, 1204020), (270, 949838), (284, 903015), (355, 722412), (426, 602010), (540, 474919), (639, 401340), (710, 361206), (852, 301005), (1065, 240804), (1278, 200670), (1420, 180603), (1917, 133780), (2130, 120402), (2556, 100335), (3195, 80268), (3834, 66890), (4260, 60201), (6390, 40134), (6689, 38340), (7668, 33445), (9585, 26756), (12780, 20067), (13378, 19170)]