387839360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:908

約数の個数: 128

約数和(自身を含む): 1005760800

約数和(自身を除く): 617921440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 544, 640, 680, 688, 731, 829, 860, 1088, 1360, 1376, 1462, 1658, 1720, 2176, 2720, 2752, 2924, 3316, 3440, 3655, 4145, 5440, 5504, 5848, 6632, 6880, 7310, 8290, 10880, 11696, 13264, 13760, 14093, 14620, 16580, 23392, 26528, 27520, 28186, 29240, 33160, 35647, 46784, 53056, 56372, 58480, 66320, 70465, 71294, 93568, 106112, 112744, 116960, 132640, 140930, 142588, 178235, 225488, 233920, 265280, 281860, 285176, 356470, 450976, 467840, 530560, 563720, 570352, 605999, 712940, 901952, 1127440, 1140704, 1211998, 1425880, 1803904, 2254880, 2281408, 2423996, 2851760, 3029995, 4509760, 4562816, 4847992, 5703520, 6059990, 9019520, 9695984, 11407040, 12119980, 19391968, 22814080, 24239960, 38783936, 48479920, 77567872, 96959840, 193919680, 387839360]

約数ペア:

[(1, 387839360), (2, 193919680), (4, 96959840), (5, 77567872), (8, 48479920), (10, 38783936), (16, 24239960), (17, 22814080), (20, 19391968), (32, 12119980), (34, 11407040), (40, 9695984), (43, 9019520), (64, 6059990), (68, 5703520), (80, 4847992), (85, 4562816), (86, 4509760), (128, 3029995), (136, 2851760), (160, 2423996), (170, 2281408), (172, 2254880), (215, 1803904), (272, 1425880), (320, 1211998), (340, 1140704), (344, 1127440), (430, 901952), (544, 712940), (640, 605999), (680, 570352), (688, 563720), (731, 530560), (829, 467840), (860, 450976), (1088, 356470), (1360, 285176), (1376, 281860), (1462, 265280), (1658, 233920), (1720, 225488), (2176, 178235), (2720, 142588), (2752, 140930), (2924, 132640), (3316, 116960), (3440, 112744), (3655, 106112), (4145, 93568), (5440, 71294), (5504, 70465), (5848, 66320), (6632, 58480), (6880, 56372), (7310, 53056), (8290, 46784), (10880, 35647), (11696, 33160), (13264, 29240), (13760, 28186), (14093, 27520), (14620, 26528), (16580, 23392)]