90469120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 259015680

約数和(自身を除く): 168546560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 439, 448, 460, 560, 640, 644, 736, 805, 878, 896, 920, 1120, 1280, 1288, 1472, 1610, 1756, 1792, 1840, 2195, 2240, 2576, 2944, 3073, 3220, 3512, 3680, 4390, 4480, 5152, 5888, 6146, 6440, 7024, 7360, 8780, 8960, 10097, 10304, 12292, 12880, 14048, 14720, 15365, 17560, 20194, 20608, 24584, 25760, 28096, 29440, 30730, 35120, 40388, 41216, 49168, 50485, 51520, 56192, 61460, 70240, 70679, 80776, 98336, 100970, 103040, 112384, 122920, 140480, 141358, 161552, 196672, 201940, 206080, 245840, 280960, 282716, 323104, 353395, 393344, 403880, 491680, 561920, 565432, 646208, 706790, 786688, 807760, 983360, 1130864, 1292416, 1413580, 1615520, 1966720, 2261728, 2584832, 2827160, 3231040, 3933440, 4523456, 5654320, 6462080, 9046912, 11308640, 12924160, 18093824, 22617280, 45234560, 90469120]

約数ペア:

[(1, 90469120), (2, 45234560), (4, 22617280), (5, 18093824), (7, 12924160), (8, 11308640), (10, 9046912), (14, 6462080), (16, 5654320), (20, 4523456), (23, 3933440), (28, 3231040), (32, 2827160), (35, 2584832), (40, 2261728), (46, 1966720), (56, 1615520), (64, 1413580), (70, 1292416), (80, 1130864), (92, 983360), (112, 807760), (115, 786688), (128, 706790), (140, 646208), (160, 565432), (161, 561920), (184, 491680), (224, 403880), (230, 393344), (256, 353395), (280, 323104), (320, 282716), (322, 280960), (368, 245840), (439, 206080), (448, 201940), (460, 196672), (560, 161552), (640, 141358), (644, 140480), (736, 122920), (805, 112384), (878, 103040), (896, 100970), (920, 98336), (1120, 80776), (1280, 70679), (1288, 70240), (1472, 61460), (1610, 56192), (1756, 51520), (1792, 50485), (1840, 49168), (2195, 41216), (2240, 40388), (2576, 35120), (2944, 30730), (3073, 29440), (3220, 28096), (3512, 25760), (3680, 24584), (4390, 20608), (4480, 20194), (5152, 17560), (5888, 15365), (6146, 14720), (6440, 14048), (7024, 12880), (7360, 12292), (8780, 10304), (8960, 10097)]