678960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 120

約数和(自身を含む): 2437344

約数和(自身を除く): 1758384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 48, 60, 69, 72, 80, 82, 90, 92, 115, 120, 123, 138, 144, 164, 180, 184, 205, 207, 230, 240, 246, 276, 328, 345, 360, 368, 369, 410, 414, 460, 492, 552, 615, 656, 690, 720, 738, 820, 828, 920, 943, 984, 1035, 1104, 1230, 1380, 1476, 1640, 1656, 1840, 1845, 1886, 1968, 2070, 2460, 2760, 2829, 2952, 3280, 3312, 3690, 3772, 4140, 4715, 4920, 5520, 5658, 5904, 7380, 7544, 8280, 8487, 9430, 9840, 11316, 14145, 14760, 15088, 16560, 16974, 18860, 22632, 28290, 29520, 33948, 37720, 42435, 45264, 56580, 67896, 75440, 84870, 113160, 135792, 169740, 226320, 339480, 678960]

約数ペア:

[(1, 678960), (2, 339480), (3, 226320), (4, 169740), (5, 135792), (6, 113160), (8, 84870), (9, 75440), (10, 67896), (12, 56580), (15, 45264), (16, 42435), (18, 37720), (20, 33948), (23, 29520), (24, 28290), (30, 22632), (36, 18860), (40, 16974), (41, 16560), (45, 15088), (46, 14760), (48, 14145), (60, 11316), (69, 9840), (72, 9430), (80, 8487), (82, 8280), (90, 7544), (92, 7380), (115, 5904), (120, 5658), (123, 5520), (138, 4920), (144, 4715), (164, 4140), (180, 3772), (184, 3690), (205, 3312), (207, 3280), (230, 2952), (240, 2829), (246, 2760), (276, 2460), (328, 2070), (345, 1968), (360, 1886), (368, 1845), (369, 1840), (410, 1656), (414, 1640), (460, 1476), (492, 1380), (552, 1230), (615, 1104), (656, 1035), (690, 984), (720, 943), (738, 920), (820, 828)]