61573760

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 158630400

約数和(自身を除く): 97056640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 89, 92, 94, 115, 128, 160, 178, 184, 188, 230, 235, 320, 356, 368, 376, 445, 460, 470, 640, 712, 736, 752, 890, 920, 940, 1081, 1424, 1472, 1504, 1780, 1840, 1880, 2047, 2162, 2848, 2944, 3008, 3560, 3680, 3760, 4094, 4183, 4324, 5405, 5696, 6016, 7120, 7360, 7520, 8188, 8366, 8648, 10235, 10810, 11392, 14240, 14720, 15040, 16376, 16732, 17296, 20470, 20915, 21620, 28480, 30080, 32752, 33464, 34592, 40940, 41830, 43240, 56960, 65504, 66928, 69184, 81880, 83660, 86480, 96209, 131008, 133856, 138368, 163760, 167320, 172960, 192418, 262016, 267712, 327520, 334640, 345920, 384836, 481045, 535424, 655040, 669280, 691840, 769672, 962090, 1310080, 1338560, 1539344, 1924180, 2677120, 3078688, 3848360, 6157376, 7696720, 12314752, 15393440, 30786880, 61573760]

約数ペア:

[(1, 61573760), (2, 30786880), (4, 15393440), (5, 12314752), (8, 7696720), (10, 6157376), (16, 3848360), (20, 3078688), (23, 2677120), (32, 1924180), (40, 1539344), (46, 1338560), (47, 1310080), (64, 962090), (80, 769672), (89, 691840), (92, 669280), (94, 655040), (115, 535424), (128, 481045), (160, 384836), (178, 345920), (184, 334640), (188, 327520), (230, 267712), (235, 262016), (320, 192418), (356, 172960), (368, 167320), (376, 163760), (445, 138368), (460, 133856), (470, 131008), (640, 96209), (712, 86480), (736, 83660), (752, 81880), (890, 69184), (920, 66928), (940, 65504), (1081, 56960), (1424, 43240), (1472, 41830), (1504, 40940), (1780, 34592), (1840, 33464), (1880, 32752), (2047, 30080), (2162, 28480), (2848, 21620), (2944, 20915), (3008, 20470), (3560, 17296), (3680, 16732), (3760, 16376), (4094, 15040), (4183, 14720), (4324, 14240), (5405, 11392), (5696, 10810), (6016, 10235), (7120, 8648), (7360, 8366), (7520, 8188)]