77721840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2203}}^1$

素因数の和:2236

約数の個数: 180

約数和(自身を含む): 303768504

約数和(自身を除く): 226046664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2203, 2205, 2352, 2520, 2940, 3528, 3920, 4406, 4410, 5040, 5880, 6609, 7056, 8812, 8820, 11015, 11760, 13218, 15421, 17624, 17640, 19827, 22030, 26436, 30842, 33045, 35248, 35280, 39654, 44060, 46263, 52872, 61684, 66090, 77105, 79308, 88120, 92526, 99135, 105744, 107947, 123368, 132180, 138789, 154210, 158616, 176240, 185052, 198270, 215894, 231315, 246736, 264360, 277578, 308420, 317232, 323841, 370104, 396540, 431788, 462630, 528720, 539735, 555156, 616840, 647682, 693945, 740208, 793080, 863576, 925260, 971523, 1079470, 1110312, 1233680, 1295364, 1387890, 1586160, 1619205, 1727152, 1850520, 1943046, 2158940, 2220624, 2590728, 2775780, 3238410, 3701040, 3886092, 4317880, 4857615, 5181456, 5551560, 6476820, 7772184, 8635760, 9715230, 11103120, 12953640, 15544368, 19430460, 25907280, 38860920, 77721840]

約数ペア:

[(1, 77721840), (2, 38860920), (3, 25907280), (4, 19430460), (5, 15544368), (6, 12953640), (7, 11103120), (8, 9715230), (9, 8635760), (10, 7772184), (12, 6476820), (14, 5551560), (15, 5181456), (16, 4857615), (18, 4317880), (20, 3886092), (21, 3701040), (24, 3238410), (28, 2775780), (30, 2590728), (35, 2220624), (36, 2158940), (40, 1943046), (42, 1850520), (45, 1727152), (48, 1619205), (49, 1586160), (56, 1387890), (60, 1295364), (63, 1233680), (70, 1110312), (72, 1079470), (80, 971523), (84, 925260), (90, 863576), (98, 793080), (105, 740208), (112, 693945), (120, 647682), (126, 616840), (140, 555156), (144, 539735), (147, 528720), (168, 462630), (180, 431788), (196, 396540), (210, 370104), (240, 323841), (245, 317232), (252, 308420), (280, 277578), (294, 264360), (315, 246736), (336, 231315), (360, 215894), (392, 198270), (420, 185052), (441, 176240), (490, 158616), (504, 154210), (560, 138789), (588, 132180), (630, 123368), (720, 107947), (735, 105744), (784, 99135), (840, 92526), (882, 88120), (980, 79308), (1008, 77105), (1176, 66090), (1260, 61684), (1470, 52872), (1680, 46263), (1764, 44060), (1960, 39654), (2203, 35280), (2205, 35248), (2352, 33045), (2520, 30842), (2940, 26436), (3528, 22030), (3920, 19827), (4406, 17640), (4410, 17624), (5040, 15421), (5880, 13218), (6609, 11760), (7056, 11015), (8812, 8820)]