76418720

素因数分解:

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

素因数の和:155

約数の個数: 144

約数和(自身を含む): 216203904

約数和(自身を除く): 139785184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 71, 80, 112, 124, 140, 142, 155, 160, 217, 224, 248, 280, 284, 310, 355, 434, 496, 497, 560, 568, 620, 710, 868, 961, 992, 994, 1085, 1120, 1136, 1240, 1420, 1736, 1922, 1988, 2170, 2201, 2272, 2480, 2485, 2840, 3472, 3844, 3976, 4340, 4402, 4805, 4960, 4970, 5680, 6727, 6944, 7688, 7952, 8680, 8804, 9610, 9940, 11005, 11360, 13454, 15376, 15407, 15904, 17360, 17608, 19220, 19880, 22010, 26908, 30752, 30814, 33635, 34720, 35216, 38440, 39760, 44020, 53816, 61628, 67270, 68231, 70432, 76880, 77035, 79520, 88040, 107632, 123256, 134540, 136462, 153760, 154070, 176080, 215264, 246512, 269080, 272924, 308140, 341155, 352160, 477617, 493024, 538160, 545848, 616280, 682310, 955234, 1076320, 1091696, 1232560, 1364620, 1910468, 2183392, 2388085, 2465120, 2729240, 3820936, 4776170, 5458480, 7641872, 9552340, 10916960, 15283744, 19104680, 38209360, 76418720]

約数ペア:

[(1, 76418720), (2, 38209360), (4, 19104680), (5, 15283744), (7, 10916960), (8, 9552340), (10, 7641872), (14, 5458480), (16, 4776170), (20, 3820936), (28, 2729240), (31, 2465120), (32, 2388085), (35, 2183392), (40, 1910468), (56, 1364620), (62, 1232560), (70, 1091696), (71, 1076320), (80, 955234), (112, 682310), (124, 616280), (140, 545848), (142, 538160), (155, 493024), (160, 477617), (217, 352160), (224, 341155), (248, 308140), (280, 272924), (284, 269080), (310, 246512), (355, 215264), (434, 176080), (496, 154070), (497, 153760), (560, 136462), (568, 134540), (620, 123256), (710, 107632), (868, 88040), (961, 79520), (992, 77035), (994, 76880), (1085, 70432), (1120, 68231), (1136, 67270), (1240, 61628), (1420, 53816), (1736, 44020), (1922, 39760), (1988, 38440), (2170, 35216), (2201, 34720), (2272, 33635), (2480, 30814), (2485, 30752), (2840, 26908), (3472, 22010), (3844, 19880), (3976, 19220), (4340, 17608), (4402, 17360), (4805, 15904), (4960, 15407), (4970, 15376), (5680, 13454), (6727, 11360), (6944, 11005), (7688, 9940), (7952, 9610), (8680, 8804)]