2740920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 10160640

約数和(自身を除く): 7419720

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, 251, 260, 273, 280, 312, 364, 390, 420, 455, 502, 520, 546, 728, 753, 780, 840, 910, 1004, 1092, 1255, 1365, 1506, 1560, 1757, 1820, 2008, 2184, 2510, 2730, 3012, 3263, 3514, 3640, 3765, 5020, 5271, 5460, 6024, 6526, 7028, 7530, 8785, 9789, 10040, 10542, 10920, 13052, 14056, 15060, 16315, 17570, 19578, 21084, 22841, 26104, 26355, 30120, 32630, 35140, 39156, 42168, 45682, 48945, 52710, 65260, 68523, 70280, 78312, 91364, 97890, 105420, 114205, 130520, 137046, 182728, 195780, 210840, 228410, 274092, 342615, 391560, 456820, 548184, 685230, 913640, 1370460, 2740920]

約数ペア:

[(1, 2740920), (2, 1370460), (3, 913640), (4, 685230), (5, 548184), (6, 456820), (7, 391560), (8, 342615), (10, 274092), (12, 228410), (13, 210840), (14, 195780), (15, 182728), (20, 137046), (21, 130520), (24, 114205), (26, 105420), (28, 97890), (30, 91364), (35, 78312), (39, 70280), (40, 68523), (42, 65260), (52, 52710), (56, 48945), (60, 45682), (65, 42168), (70, 39156), (78, 35140), (84, 32630), (91, 30120), (104, 26355), (105, 26104), (120, 22841), (130, 21084), (140, 19578), (156, 17570), (168, 16315), (182, 15060), (195, 14056), (210, 13052), (251, 10920), (260, 10542), (273, 10040), (280, 9789), (312, 8785), (364, 7530), (390, 7028), (420, 6526), (455, 6024), (502, 5460), (520, 5271), (546, 5020), (728, 3765), (753, 3640), (780, 3514), (840, 3263), (910, 3012), (1004, 2730), (1092, 2510), (1255, 2184), (1365, 2008), (1506, 1820), (1560, 1757)]