30872320

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 75055680

約数和(自身を除く): 44183360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 271, 320, 356, 445, 542, 640, 712, 890, 1084, 1280, 1355, 1424, 1780, 2168, 2710, 2848, 3560, 4336, 5420, 5696, 7120, 8672, 10840, 11392, 14240, 17344, 21680, 22784, 24119, 28480, 34688, 43360, 48238, 56960, 69376, 86720, 96476, 113920, 120595, 173440, 192952, 241190, 346880, 385904, 482380, 771808, 964760, 1543616, 1929520, 3087232, 3859040, 6174464, 7718080, 15436160, 30872320]

約数ペア:

[(1, 30872320), (2, 15436160), (4, 7718080), (5, 6174464), (8, 3859040), (10, 3087232), (16, 1929520), (20, 1543616), (32, 964760), (40, 771808), (64, 482380), (80, 385904), (89, 346880), (128, 241190), (160, 192952), (178, 173440), (256, 120595), (271, 113920), (320, 96476), (356, 86720), (445, 69376), (542, 56960), (640, 48238), (712, 43360), (890, 34688), (1084, 28480), (1280, 24119), (1355, 22784), (1424, 21680), (1780, 17344), (2168, 14240), (2710, 11392), (2848, 10840), (3560, 8672), (4336, 7120), (5420, 5696)]