305674880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 875111040

約数和(自身を除く): 569436160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 71, 80, 112, 124, 128, 140, 142, 155, 160, 217, 224, 248, 280, 284, 310, 320, 355, 434, 448, 496, 497, 560, 568, 620, 640, 710, 868, 896, 961, 992, 994, 1085, 1120, 1136, 1240, 1420, 1736, 1922, 1984, 1988, 2170, 2201, 2240, 2272, 2480, 2485, 2840, 3472, 3844, 3968, 3976, 4340, 4402, 4480, 4544, 4805, 4960, 4970, 5680, 6727, 6944, 7688, 7952, 8680, 8804, 9088, 9610, 9920, 9940, 11005, 11360, 13454, 13888, 15376, 15407, 15904, 17360, 17608, 19220, 19840, 19880, 22010, 22720, 26908, 27776, 30752, 30814, 31808, 33635, 34720, 35216, 38440, 39760, 44020, 45440, 53816, 61504, 61628, 63616, 67270, 68231, 69440, 70432, 76880, 77035, 79520, 88040, 107632, 123008, 123256, 134540, 136462, 138880, 140864, 153760, 154070, 159040, 176080, 215264, 246512, 269080, 272924, 281728, 307520, 308140, 318080, 341155, 352160, 430528, 477617, 493024, 538160, 545848, 615040, 616280, 682310, 704320, 861056, 955234, 986048, 1076320, 1091696, 1232560, 1364620, 1408640, 1910468, 1972096, 2152640, 2183392, 2388085, 2465120, 2729240, 3820936, 4305280, 4366784, 4776170, 4930240, 5458480, 7641872, 8733568, 9552340, 9860480, 10916960, 15283744, 19104680, 21833920, 30567488, 38209360, 43667840, 61134976, 76418720, 152837440, 305674880]

約数ペア:

[(1, 305674880), (2, 152837440), (4, 76418720), (5, 61134976), (7, 43667840), (8, 38209360), (10, 30567488), (14, 21833920), (16, 19104680), (20, 15283744), (28, 10916960), (31, 9860480), (32, 9552340), (35, 8733568), (40, 7641872), (56, 5458480), (62, 4930240), (64, 4776170), (70, 4366784), (71, 4305280), (80, 3820936), (112, 2729240), (124, 2465120), (128, 2388085), (140, 2183392), (142, 2152640), (155, 1972096), (160, 1910468), (217, 1408640), (224, 1364620), (248, 1232560), (280, 1091696), (284, 1076320), (310, 986048), (320, 955234), (355, 861056), (434, 704320), (448, 682310), (496, 616280), (497, 615040), (560, 545848), (568, 538160), (620, 493024), (640, 477617), (710, 430528), (868, 352160), (896, 341155), (961, 318080), (992, 308140), (994, 307520), (1085, 281728), (1120, 272924), (1136, 269080), (1240, 246512), (1420, 215264), (1736, 176080), (1922, 159040), (1984, 154070), (1988, 153760), (2170, 140864), (2201, 138880), (2240, 136462), (2272, 134540), (2480, 123256), (2485, 123008), (2840, 107632), (3472, 88040), (3844, 79520), (3968, 77035), (3976, 76880), (4340, 70432), (4402, 69440), (4480, 68231), (4544, 67270), (4805, 63616), (4960, 61628), (4970, 61504), (5680, 53816), (6727, 45440), (6944, 44020), (7688, 39760), (7952, 38440), (8680, 35216), (8804, 34720), (9088, 33635), (9610, 31808), (9920, 30814), (9940, 30752), (11005, 27776), (11360, 26908), (13454, 22720), (13888, 22010), (15376, 19880), (15407, 19840), (15904, 19220), (17360, 17608)]