79358720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 230465088

約数和(自身を除く): 151106368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 521, 544, 560, 595, 640, 680, 896, 952, 1042, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2084, 2176, 2240, 2380, 2605, 2720, 3647, 3808, 4168, 4352, 4480, 4760, 5210, 5440, 7294, 7616, 8336, 8857, 8960, 9520, 10420, 10880, 14588, 15232, 16672, 17714, 18235, 19040, 20840, 21760, 29176, 30464, 33344, 35428, 36470, 38080, 41680, 44285, 58352, 61999, 66688, 70856, 72940, 76160, 83360, 88570, 116704, 123998, 133376, 141712, 145880, 152320, 166720, 177140, 233408, 247996, 283424, 291760, 309995, 333440, 354280, 466816, 495992, 566848, 583520, 619990, 666880, 708560, 933632, 991984, 1133696, 1167040, 1239980, 1417120, 1983968, 2267392, 2334080, 2479960, 2834240, 3967936, 4668160, 4959920, 5668480, 7935872, 9919840, 11336960, 15871744, 19839680, 39679360, 79358720]

約数ペア:

[(1, 79358720), (2, 39679360), (4, 19839680), (5, 15871744), (7, 11336960), (8, 9919840), (10, 7935872), (14, 5668480), (16, 4959920), (17, 4668160), (20, 3967936), (28, 2834240), (32, 2479960), (34, 2334080), (35, 2267392), (40, 1983968), (56, 1417120), (64, 1239980), (68, 1167040), (70, 1133696), (80, 991984), (85, 933632), (112, 708560), (119, 666880), (128, 619990), (136, 583520), (140, 566848), (160, 495992), (170, 466816), (224, 354280), (238, 333440), (256, 309995), (272, 291760), (280, 283424), (320, 247996), (340, 233408), (448, 177140), (476, 166720), (521, 152320), (544, 145880), (560, 141712), (595, 133376), (640, 123998), (680, 116704), (896, 88570), (952, 83360), (1042, 76160), (1088, 72940), (1120, 70856), (1190, 66688), (1280, 61999), (1360, 58352), (1792, 44285), (1904, 41680), (2084, 38080), (2176, 36470), (2240, 35428), (2380, 33344), (2605, 30464), (2720, 29176), (3647, 21760), (3808, 20840), (4168, 19040), (4352, 18235), (4480, 17714), (4760, 16672), (5210, 15232), (5440, 14588), (7294, 10880), (7616, 10420), (8336, 9520), (8857, 8960)]