144480820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 344010240

約数和(自身を除く): 199529420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 89, 94, 110, 157, 178, 188, 220, 235, 314, 356, 445, 470, 517, 628, 785, 890, 940, 979, 1034, 1570, 1727, 1780, 1958, 2068, 2585, 3140, 3454, 3916, 4183, 4895, 5170, 6908, 7379, 8366, 8635, 9790, 10340, 13973, 14758, 16732, 17270, 19580, 20915, 27946, 29516, 34540, 36895, 41830, 46013, 55892, 69865, 73790, 81169, 83660, 92026, 139730, 147580, 153703, 162338, 184052, 230065, 279460, 307406, 324676, 405845, 460130, 614812, 656731, 768515, 811690, 920260, 1313462, 1537030, 1623380, 2626924, 3074060, 3283655, 6567310, 7224041, 13134620, 14448082, 28896164, 36120205, 72240410, 144480820]

約数ペア:

[(1, 144480820), (2, 72240410), (4, 36120205), (5, 28896164), (10, 14448082), (11, 13134620), (20, 7224041), (22, 6567310), (44, 3283655), (47, 3074060), (55, 2626924), (89, 1623380), (94, 1537030), (110, 1313462), (157, 920260), (178, 811690), (188, 768515), (220, 656731), (235, 614812), (314, 460130), (356, 405845), (445, 324676), (470, 307406), (517, 279460), (628, 230065), (785, 184052), (890, 162338), (940, 153703), (979, 147580), (1034, 139730), (1570, 92026), (1727, 83660), (1780, 81169), (1958, 73790), (2068, 69865), (2585, 55892), (3140, 46013), (3454, 41830), (3916, 36895), (4183, 34540), (4895, 29516), (5170, 27946), (6908, 20915), (7379, 19580), (8366, 17270), (8635, 16732), (9790, 14758), (10340, 13973)]