279584760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25603}}^1$

素因数の和:25637

約数の個数: 128

約数和(自身を含む): 1032353280

約数和(自身を除く): 752768520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 25603, 51206, 76809, 102412, 128015, 153618, 179221, 204824, 256030, 307236, 332839, 358442, 384045, 512060, 537663, 614472, 665678, 716884, 768090, 896105, 998517, 1024120, 1075326, 1331356, 1433768, 1536180, 1664195, 1792210, 1997034, 2150652, 2329873, 2662712, 2688315, 3072360, 3328390, 3584420, 3994068, 4301304, 4659746, 4992585, 5376630, 6656780, 6989619, 7168840, 7988136, 9319492, 9985170, 10753260, 11649365, 13313560, 13979238, 18638984, 19970340, 21506520, 23298730, 27958476, 34948095, 39940680, 46597460, 55916952, 69896190, 93194920, 139792380, 279584760]

約数ペア:

[(1, 279584760), (2, 139792380), (3, 93194920), (4, 69896190), (5, 55916952), (6, 46597460), (7, 39940680), (8, 34948095), (10, 27958476), (12, 23298730), (13, 21506520), (14, 19970340), (15, 18638984), (20, 13979238), (21, 13313560), (24, 11649365), (26, 10753260), (28, 9985170), (30, 9319492), (35, 7988136), (39, 7168840), (40, 6989619), (42, 6656780), (52, 5376630), (56, 4992585), (60, 4659746), (65, 4301304), (70, 3994068), (78, 3584420), (84, 3328390), (91, 3072360), (104, 2688315), (105, 2662712), (120, 2329873), (130, 2150652), (140, 1997034), (156, 1792210), (168, 1664195), (182, 1536180), (195, 1433768), (210, 1331356), (260, 1075326), (273, 1024120), (280, 998517), (312, 896105), (364, 768090), (390, 716884), (420, 665678), (455, 614472), (520, 537663), (546, 512060), (728, 384045), (780, 358442), (840, 332839), (910, 307236), (1092, 256030), (1365, 204824), (1560, 179221), (1820, 153618), (2184, 128015), (2730, 102412), (3640, 76809), (5460, 51206), (10920, 25603)]