216970240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1423

約数の個数: 88

約数和(自身を含む): 537656832

約数和(自身を除く): 320686592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1367, 1984, 2480, 2560, 2734, 3968, 4960, 5120, 5468, 6835, 7936, 9920, 10936, 13670, 15872, 19840, 21872, 27340, 31744, 39680, 42377, 43744, 54680, 79360, 84754, 87488, 109360, 158720, 169508, 174976, 211885, 218720, 339016, 349952, 423770, 437440, 678032, 699904, 847540, 874880, 1356064, 1399808, 1695080, 1749760, 2712128, 3390160, 3499520, 5424256, 6780320, 6999040, 10848512, 13560640, 21697024, 27121280, 43394048, 54242560, 108485120, 216970240]

約数ペア:

[(1, 216970240), (2, 108485120), (4, 54242560), (5, 43394048), (8, 27121280), (10, 21697024), (16, 13560640), (20, 10848512), (31, 6999040), (32, 6780320), (40, 5424256), (62, 3499520), (64, 3390160), (80, 2712128), (124, 1749760), (128, 1695080), (155, 1399808), (160, 1356064), (248, 874880), (256, 847540), (310, 699904), (320, 678032), (496, 437440), (512, 423770), (620, 349952), (640, 339016), (992, 218720), (1024, 211885), (1240, 174976), (1280, 169508), (1367, 158720), (1984, 109360), (2480, 87488), (2560, 84754), (2734, 79360), (3968, 54680), (4960, 43744), (5120, 42377), (5468, 39680), (6835, 31744), (7936, 27340), (9920, 21872), (10936, 19840), (13670, 15872)]