67178980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 161118720

約数和(自身を除く): 93939740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 73, 89, 94, 110, 146, 178, 188, 220, 235, 292, 356, 365, 445, 470, 517, 730, 803, 890, 940, 979, 1034, 1460, 1606, 1780, 1958, 2068, 2585, 3212, 3431, 3916, 4015, 4183, 4895, 5170, 6497, 6862, 8030, 8366, 9790, 10340, 12994, 13724, 16060, 16732, 17155, 19580, 20915, 25988, 32485, 34310, 37741, 41830, 46013, 64970, 68620, 71467, 75482, 83660, 92026, 129940, 142934, 150964, 184052, 188705, 230065, 285868, 305359, 357335, 377410, 460130, 610718, 714670, 754820, 920260, 1221436, 1429340, 1526795, 3053590, 3358949, 6107180, 6717898, 13435796, 16794745, 33589490, 67178980]

約数ペア:

[(1, 67178980), (2, 33589490), (4, 16794745), (5, 13435796), (10, 6717898), (11, 6107180), (20, 3358949), (22, 3053590), (44, 1526795), (47, 1429340), (55, 1221436), (73, 920260), (89, 754820), (94, 714670), (110, 610718), (146, 460130), (178, 377410), (188, 357335), (220, 305359), (235, 285868), (292, 230065), (356, 188705), (365, 184052), (445, 150964), (470, 142934), (517, 129940), (730, 92026), (803, 83660), (890, 75482), (940, 71467), (979, 68620), (1034, 64970), (1460, 46013), (1606, 41830), (1780, 37741), (1958, 34310), (2068, 32485), (2585, 25988), (3212, 20915), (3431, 19580), (3916, 17155), (4015, 16732), (4183, 16060), (4895, 13724), (5170, 12994), (6497, 10340), (6862, 9790), (8030, 8366)]