2816810080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{6779}}^1$

素因数の和:6861

約数の個数: 144

約数和(自身を含む): 7888421520

約数和(自身を除く): 5071611440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 371, 392, 424, 490, 530, 560, 742, 784, 848, 980, 1060, 1120, 1484, 1568, 1696, 1855, 1960, 2120, 2597, 2968, 3710, 3920, 4240, 5194, 5936, 6779, 7420, 7840, 8480, 10388, 11872, 12985, 13558, 14840, 20776, 25970, 27116, 29680, 33895, 41552, 47453, 51940, 54232, 59360, 67790, 83104, 94906, 103880, 108464, 135580, 189812, 207760, 216928, 237265, 271160, 332171, 359287, 379624, 415520, 474530, 542320, 664342, 718574, 759248, 949060, 1084640, 1328684, 1437148, 1518496, 1660855, 1796435, 1898120, 2515009, 2657368, 2874296, 3321710, 3592870, 3796240, 5030018, 5314736, 5748592, 6643420, 7185740, 7592480, 10060036, 10629472, 11497184, 12575045, 13286840, 14371480, 17605063, 20120072, 25150090, 26573680, 28742960, 35210126, 40240144, 50300180, 53147360, 57485920, 70420252, 80480288, 88025315, 100600360, 140840504, 176050630, 201200720, 281681008, 352101260, 402401440, 563362016, 704202520, 1408405040, 2816810080]

約数ペア:

[(1, 2816810080), (2, 1408405040), (4, 704202520), (5, 563362016), (7, 402401440), (8, 352101260), (10, 281681008), (14, 201200720), (16, 176050630), (20, 140840504), (28, 100600360), (32, 88025315), (35, 80480288), (40, 70420252), (49, 57485920), (53, 53147360), (56, 50300180), (70, 40240144), (80, 35210126), (98, 28742960), (106, 26573680), (112, 25150090), (140, 20120072), (160, 17605063), (196, 14371480), (212, 13286840), (224, 12575045), (245, 11497184), (265, 10629472), (280, 10060036), (371, 7592480), (392, 7185740), (424, 6643420), (490, 5748592), (530, 5314736), (560, 5030018), (742, 3796240), (784, 3592870), (848, 3321710), (980, 2874296), (1060, 2657368), (1120, 2515009), (1484, 1898120), (1568, 1796435), (1696, 1660855), (1855, 1518496), (1960, 1437148), (2120, 1328684), (2597, 1084640), (2968, 949060), (3710, 759248), (3920, 718574), (4240, 664342), (5194, 542320), (5936, 474530), (6779, 415520), (7420, 379624), (7840, 359287), (8480, 332171), (10388, 271160), (11872, 237265), (12985, 216928), (13558, 207760), (14840, 189812), (20776, 135580), (25970, 108464), (27116, 103880), (29680, 94906), (33895, 83104), (41552, 67790), (47453, 59360), (51940, 54232)]