205814280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2863

約数の個数: 128

約数和(自身を含む): 713836800

約数和(自身を除く): 508022520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 2753, 3115, 3560, 3738, 4984, 5340, 5506, 6230, 7476, 8259, 9345, 10680, 11012, 12460, 13765, 14952, 16518, 18690, 19271, 22024, 24920, 27530, 33036, 37380, 38542, 41295, 55060, 57813, 66072, 74760, 77084, 82590, 96355, 110120, 115626, 154168, 165180, 192710, 231252, 245017, 289065, 330360, 385420, 462504, 490034, 578130, 735051, 770840, 980068, 1156260, 1225085, 1470102, 1715119, 1960136, 2312520, 2450170, 2940204, 3430238, 3675255, 4900340, 5145357, 5880408, 6860476, 7350510, 8575595, 9800680, 10290714, 13720952, 14701020, 17151190, 20581428, 25726785, 29402040, 34302380, 41162856, 51453570, 68604760, 102907140, 205814280]

約数ペア:

[(1, 205814280), (2, 102907140), (3, 68604760), (4, 51453570), (5, 41162856), (6, 34302380), (7, 29402040), (8, 25726785), (10, 20581428), (12, 17151190), (14, 14701020), (15, 13720952), (20, 10290714), (21, 9800680), (24, 8575595), (28, 7350510), (30, 6860476), (35, 5880408), (40, 5145357), (42, 4900340), (56, 3675255), (60, 3430238), (70, 2940204), (84, 2450170), (89, 2312520), (105, 1960136), (120, 1715119), (140, 1470102), (168, 1225085), (178, 1156260), (210, 980068), (267, 770840), (280, 735051), (356, 578130), (420, 490034), (445, 462504), (534, 385420), (623, 330360), (712, 289065), (840, 245017), (890, 231252), (1068, 192710), (1246, 165180), (1335, 154168), (1780, 115626), (1869, 110120), (2136, 96355), (2492, 82590), (2670, 77084), (2753, 74760), (3115, 66072), (3560, 57813), (3738, 55060), (4984, 41295), (5340, 38542), (5506, 37380), (6230, 33036), (7476, 27530), (8259, 24920), (9345, 22024), (10680, 19271), (11012, 18690), (12460, 16518), (13765, 14952)]