813680560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4323

約数の個数: 160

約数和(自身を含む): 2435272704

約数和(自身を除く): 1621592144

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2480, 2728, 3080, 3410, 3472, 4261, 4340, 4774, 5456, 6160, 6820, 8522, 8680, 9548, 11935, 13640, 17044, 17360, 19096, 21305, 23870, 27280, 29827, 34088, 38192, 42610, 46871, 47740, 59654, 68176, 85220, 93742, 95480, 119308, 132091, 149135, 170440, 187484, 190960, 234355, 238616, 264182, 298270, 328097, 340880, 374968, 468710, 477232, 528364, 596540, 656194, 660455, 749936, 924637, 937420, 1056728, 1193080, 1312388, 1320910, 1453001, 1640485, 1849274, 1874840, 2113456, 2386160, 2624776, 2641820, 2906002, 3280970, 3698548, 3749680, 4623185, 5249552, 5283640, 5812004, 6561940, 7265005, 7397096, 9246370, 10171007, 10567280, 11624008, 13123880, 14530010, 14794192, 18492740, 20342014, 23248016, 26247760, 29060020, 36985480, 40684028, 50855035, 58120040, 73970960, 81368056, 101710070, 116240080, 162736112, 203420140, 406840280, 813680560]

約数ペア:

[(1, 813680560), (2, 406840280), (4, 203420140), (5, 162736112), (7, 116240080), (8, 101710070), (10, 81368056), (11, 73970960), (14, 58120040), (16, 50855035), (20, 40684028), (22, 36985480), (28, 29060020), (31, 26247760), (35, 23248016), (40, 20342014), (44, 18492740), (55, 14794192), (56, 14530010), (62, 13123880), (70, 11624008), (77, 10567280), (80, 10171007), (88, 9246370), (110, 7397096), (112, 7265005), (124, 6561940), (140, 5812004), (154, 5283640), (155, 5249552), (176, 4623185), (217, 3749680), (220, 3698548), (248, 3280970), (280, 2906002), (308, 2641820), (310, 2624776), (341, 2386160), (385, 2113456), (434, 1874840), (440, 1849274), (496, 1640485), (560, 1453001), (616, 1320910), (620, 1312388), (682, 1193080), (770, 1056728), (868, 937420), (880, 924637), (1085, 749936), (1232, 660455), (1240, 656194), (1364, 596540), (1540, 528364), (1705, 477232), (1736, 468710), (2170, 374968), (2387, 340880), (2480, 328097), (2728, 298270), (3080, 264182), (3410, 238616), (3472, 234355), (4261, 190960), (4340, 187484), (4774, 170440), (5456, 149135), (6160, 132091), (6820, 119308), (8522, 95480), (8680, 93742), (9548, 85220), (11935, 68176), (13640, 59654), (17044, 47740), (17360, 46871), (19096, 42610), (21305, 38192), (23870, 34088), (27280, 29827)]