16457880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 36418920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 67, 69, 89, 92, 115, 120, 134, 138, 178, 184, 201, 230, 267, 268, 276, 335, 345, 356, 402, 445, 460, 534, 536, 552, 670, 690, 712, 804, 890, 920, 1005, 1068, 1335, 1340, 1380, 1541, 1608, 1780, 2010, 2047, 2136, 2670, 2680, 2760, 3082, 3560, 4020, 4094, 4623, 5340, 5963, 6141, 6164, 7705, 8040, 8188, 9246, 10235, 10680, 11926, 12282, 12328, 15410, 16376, 17889, 18492, 20470, 23115, 23852, 24564, 29815, 30705, 30820, 35778, 36984, 40940, 46230, 47704, 49128, 59630, 61410, 61640, 71556, 81880, 89445, 92460, 119260, 122820, 137149, 143112, 178890, 184920, 238520, 245640, 274298, 357780, 411447, 548596, 685745, 715560, 822894, 1097192, 1371490, 1645788, 2057235, 2742980, 3291576, 4114470, 5485960, 8228940, 16457880]

約数ペア:

[(1, 16457880), (2, 8228940), (3, 5485960), (4, 4114470), (5, 3291576), (6, 2742980), (8, 2057235), (10, 1645788), (12, 1371490), (15, 1097192), (20, 822894), (23, 715560), (24, 685745), (30, 548596), (40, 411447), (46, 357780), (60, 274298), (67, 245640), (69, 238520), (89, 184920), (92, 178890), (115, 143112), (120, 137149), (134, 122820), (138, 119260), (178, 92460), (184, 89445), (201, 81880), (230, 71556), (267, 61640), (268, 61410), (276, 59630), (335, 49128), (345, 47704), (356, 46230), (402, 40940), (445, 36984), (460, 35778), (534, 30820), (536, 30705), (552, 29815), (670, 24564), (690, 23852), (712, 23115), (804, 20470), (890, 18492), (920, 17889), (1005, 16376), (1068, 15410), (1335, 12328), (1340, 12282), (1380, 11926), (1541, 10680), (1608, 10235), (1780, 9246), (2010, 8188), (2047, 8040), (2136, 7705), (2670, 6164), (2680, 6141), (2760, 5963), (3082, 5340), (3560, 4623), (4020, 4094)]