280069440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 224

約数和(自身を含む): 1032321024

約数和(自身を除く): 752251584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 420, 426, 448, 480, 497, 560, 568, 587, 672, 710, 840, 852, 960, 994, 1065, 1120, 1136, 1174, 1344, 1420, 1491, 1680, 1704, 1761, 1988, 2130, 2240, 2272, 2348, 2485, 2840, 2935, 2982, 3360, 3408, 3522, 3976, 4109, 4260, 4544, 4696, 4970, 5680, 5870, 5964, 6720, 6816, 7044, 7455, 7952, 8218, 8520, 8805, 9392, 9940, 11360, 11740, 11928, 12327, 13632, 14088, 14910, 15904, 16436, 17040, 17610, 18784, 19880, 20545, 22720, 23480, 23856, 24654, 28176, 29820, 31808, 32872, 34080, 35220, 37568, 39760, 41090, 41677, 46960, 47712, 49308, 56352, 59640, 61635, 65744, 68160, 70440, 79520, 82180, 83354, 93920, 95424, 98616, 112704, 119280, 123270, 125031, 131488, 140880, 159040, 164360, 166708, 187840, 197232, 208385, 238560, 246540, 250062, 262976, 281760, 291739, 328720, 333416, 394464, 416770, 477120, 493080, 500124, 563520, 583478, 625155, 657440, 666832, 788928, 833540, 875217, 986160, 1000248, 1166956, 1250310, 1314880, 1333664, 1458695, 1667080, 1750434, 1972320, 2000496, 2333912, 2500620, 2667328, 2917390, 3334160, 3500868, 3944640, 4000992, 4376085, 4667824, 5001240, 5834780, 6668320, 7001736, 8001984, 8752170, 9335648, 10002480, 11669560, 13336640, 14003472, 17504340, 18671296, 20004960, 23339120, 28006944, 35008680, 40009920, 46678240, 56013888, 70017360, 93356480, 140034720, 280069440]

約数ペア:

[(1, 280069440), (2, 140034720), (3, 93356480), (4, 70017360), (5, 56013888), (6, 46678240), (7, 40009920), (8, 35008680), (10, 28006944), (12, 23339120), (14, 20004960), (15, 18671296), (16, 17504340), (20, 14003472), (21, 13336640), (24, 11669560), (28, 10002480), (30, 9335648), (32, 8752170), (35, 8001984), (40, 7001736), (42, 6668320), (48, 5834780), (56, 5001240), (60, 4667824), (64, 4376085), (70, 4000992), (71, 3944640), (80, 3500868), (84, 3334160), (96, 2917390), (105, 2667328), (112, 2500620), (120, 2333912), (140, 2000496), (142, 1972320), (160, 1750434), (168, 1667080), (192, 1458695), (210, 1333664), (213, 1314880), (224, 1250310), (240, 1166956), (280, 1000248), (284, 986160), (320, 875217), (336, 833540), (355, 788928), (420, 666832), (426, 657440), (448, 625155), (480, 583478), (497, 563520), (560, 500124), (568, 493080), (587, 477120), (672, 416770), (710, 394464), (840, 333416), (852, 328720), (960, 291739), (994, 281760), (1065, 262976), (1120, 250062), (1136, 246540), (1174, 238560), (1344, 208385), (1420, 197232), (1491, 187840), (1680, 166708), (1704, 164360), (1761, 159040), (1988, 140880), (2130, 131488), (2240, 125031), (2272, 123270), (2348, 119280), (2485, 112704), (2840, 98616), (2935, 95424), (2982, 93920), (3360, 83354), (3408, 82180), (3522, 79520), (3976, 70440), (4109, 68160), (4260, 65744), (4544, 61635), (4696, 59640), (4970, 56352), (5680, 49308), (5870, 47712), (5964, 46960), (6720, 41677), (6816, 41090), (7044, 39760), (7455, 37568), (7952, 35220), (8218, 34080), (8520, 32872), (8805, 31808), (9392, 29820), (9940, 28176), (11360, 24654), (11740, 23856), (11928, 23480), (12327, 22720), (13632, 20545), (14088, 19880), (14910, 18784), (15904, 17610), (16436, 17040)]