491280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 1607040

約数和(自身を除く): 1115760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 534, 552, 690, 712, 890, 920, 1068, 1104, 1335, 1380, 1424, 1780, 1840, 2047, 2136, 2670, 2760, 3560, 4094, 4272, 5340, 5520, 6141, 7120, 8188, 10235, 10680, 12282, 16376, 20470, 21360, 24564, 30705, 32752, 40940, 49128, 61410, 81880, 98256, 122820, 163760, 245640, 491280]

約数ペア:

[(1, 491280), (2, 245640), (3, 163760), (4, 122820), (5, 98256), (6, 81880), (8, 61410), (10, 49128), (12, 40940), (15, 32752), (16, 30705), (20, 24564), (23, 21360), (24, 20470), (30, 16376), (40, 12282), (46, 10680), (48, 10235), (60, 8188), (69, 7120), (80, 6141), (89, 5520), (92, 5340), (115, 4272), (120, 4094), (138, 3560), (178, 2760), (184, 2670), (230, 2136), (240, 2047), (267, 1840), (276, 1780), (345, 1424), (356, 1380), (368, 1335), (445, 1104), (460, 1068), (534, 920), (552, 890), (690, 712)]