30786880

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 48217280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 89, 92, 94, 115, 160, 178, 184, 188, 230, 235, 320, 356, 368, 376, 445, 460, 470, 712, 736, 752, 890, 920, 940, 1081, 1424, 1472, 1504, 1780, 1840, 1880, 2047, 2162, 2848, 3008, 3560, 3680, 3760, 4094, 4183, 4324, 5405, 5696, 7120, 7360, 7520, 8188, 8366, 8648, 10235, 10810, 14240, 15040, 16376, 16732, 17296, 20470, 20915, 21620, 28480, 32752, 33464, 34592, 40940, 41830, 43240, 65504, 66928, 69184, 81880, 83660, 86480, 96209, 131008, 133856, 163760, 167320, 172960, 192418, 267712, 327520, 334640, 345920, 384836, 481045, 655040, 669280, 769672, 962090, 1338560, 1539344, 1924180, 3078688, 3848360, 6157376, 7696720, 15393440, 30786880]

約数ペア:

[(1, 30786880), (2, 15393440), (4, 7696720), (5, 6157376), (8, 3848360), (10, 3078688), (16, 1924180), (20, 1539344), (23, 1338560), (32, 962090), (40, 769672), (46, 669280), (47, 655040), (64, 481045), (80, 384836), (89, 345920), (92, 334640), (94, 327520), (115, 267712), (160, 192418), (178, 172960), (184, 167320), (188, 163760), (230, 133856), (235, 131008), (320, 96209), (356, 86480), (368, 83660), (376, 81880), (445, 69184), (460, 66928), (470, 65504), (712, 43240), (736, 41830), (752, 40940), (890, 34592), (920, 33464), (940, 32752), (1081, 28480), (1424, 21620), (1472, 20915), (1504, 20470), (1780, 17296), (1840, 16732), (1880, 16376), (2047, 15040), (2162, 14240), (2848, 10810), (3008, 10235), (3560, 8648), (3680, 8366), (3760, 8188), (4094, 7520), (4183, 7360), (4324, 7120), (5405, 5696)]