641505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{7703}}^1$

素因数の和:8066

約数の個数: 80

約数和(自身を含む): 1994658048

約数和(自身を除く): 1353152208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 347, 694, 1041, 1388, 1735, 2082, 2776, 3470, 4164, 5205, 5552, 6940, 7703, 8328, 10410, 13880, 15406, 16656, 20820, 23109, 27760, 30812, 38515, 41640, 46218, 61624, 77030, 83280, 92436, 115545, 123248, 154060, 184872, 231090, 308120, 369744, 462180, 616240, 924360, 1848720, 2672941, 5345882, 8018823, 10691764, 13364705, 16037646, 21383528, 26729410, 32075292, 40094115, 42767056, 53458820, 64150584, 80188230, 106917640, 128301168, 160376460, 213835280, 320752920, 641505840]

約数ペア:

[(1, 641505840), (2, 320752920), (3, 213835280), (4, 160376460), (5, 128301168), (6, 106917640), (8, 80188230), (10, 64150584), (12, 53458820), (15, 42767056), (16, 40094115), (20, 32075292), (24, 26729410), (30, 21383528), (40, 16037646), (48, 13364705), (60, 10691764), (80, 8018823), (120, 5345882), (240, 2672941), (347, 1848720), (694, 924360), (1041, 616240), (1388, 462180), (1735, 369744), (2082, 308120), (2776, 231090), (3470, 184872), (4164, 154060), (5205, 123248), (5552, 115545), (6940, 92436), (7703, 83280), (8328, 77030), (10410, 61624), (13880, 46218), (15406, 41640), (16656, 38515), (20820, 30812), (23109, 27760)]