81563520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1892

約数の個数: 128

約数和(自身を含む): 271434240

約数和(自身を除く): 189870720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1847, 1920, 2208, 2760, 2944, 3680, 3694, 4416, 5520, 5541, 7360, 7388, 8832, 9235, 11040, 11082, 14720, 14776, 18470, 22080, 22164, 27705, 29552, 36940, 42481, 44160, 44328, 55410, 59104, 73880, 84962, 88656, 110820, 118208, 127443, 147760, 169924, 177312, 212405, 221640, 236416, 254886, 295520, 339848, 354624, 424810, 443280, 509772, 591040, 637215, 679696, 709248, 849620, 886560, 1019544, 1182080, 1274430, 1359392, 1699240, 1773120, 2039088, 2548860, 2718784, 3398480, 3546240, 4078176, 5097720, 5437568, 6796960, 8156352, 10195440, 13593920, 16312704, 20390880, 27187840, 40781760, 81563520]

約数ペア:

[(1, 81563520), (2, 40781760), (3, 27187840), (4, 20390880), (5, 16312704), (6, 13593920), (8, 10195440), (10, 8156352), (12, 6796960), (15, 5437568), (16, 5097720), (20, 4078176), (23, 3546240), (24, 3398480), (30, 2718784), (32, 2548860), (40, 2039088), (46, 1773120), (48, 1699240), (60, 1359392), (64, 1274430), (69, 1182080), (80, 1019544), (92, 886560), (96, 849620), (115, 709248), (120, 679696), (128, 637215), (138, 591040), (160, 509772), (184, 443280), (192, 424810), (230, 354624), (240, 339848), (276, 295520), (320, 254886), (345, 236416), (368, 221640), (384, 212405), (460, 177312), (480, 169924), (552, 147760), (640, 127443), (690, 118208), (736, 110820), (920, 88656), (960, 84962), (1104, 73880), (1380, 59104), (1472, 55410), (1840, 44328), (1847, 44160), (1920, 42481), (2208, 36940), (2760, 29552), (2944, 27705), (3680, 22164), (3694, 22080), (4416, 18470), (5520, 14776), (5541, 14720), (7360, 11082), (7388, 11040), (8832, 9235)]