135428140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 311794560

約数和(自身を除く): 176366420

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 73, 74, 92, 109, 115, 146, 148, 185, 218, 230, 292, 365, 370, 436, 460, 545, 730, 740, 851, 1090, 1460, 1679, 1702, 2180, 2507, 2701, 3358, 3404, 4033, 4255, 5014, 5402, 6716, 7957, 8066, 8395, 8510, 10028, 10804, 12535, 13505, 15914, 16132, 16790, 17020, 20165, 25070, 27010, 31828, 33580, 39785, 40330, 50140, 54020, 62123, 79570, 80660, 92759, 124246, 159140, 183011, 185518, 248492, 294409, 310615, 366022, 371036, 463795, 588818, 621230, 732044, 915055, 927590, 1177636, 1242460, 1472045, 1830110, 1855180, 2944090, 3660220, 5888180, 6771407, 13542814, 27085628, 33857035, 67714070, 135428140]

約数ペア:

[(1, 135428140), (2, 67714070), (4, 33857035), (5, 27085628), (10, 13542814), (20, 6771407), (23, 5888180), (37, 3660220), (46, 2944090), (73, 1855180), (74, 1830110), (92, 1472045), (109, 1242460), (115, 1177636), (146, 927590), (148, 915055), (185, 732044), (218, 621230), (230, 588818), (292, 463795), (365, 371036), (370, 366022), (436, 310615), (460, 294409), (545, 248492), (730, 185518), (740, 183011), (851, 159140), (1090, 124246), (1460, 92759), (1679, 80660), (1702, 79570), (2180, 62123), (2507, 54020), (2701, 50140), (3358, 40330), (3404, 39785), (4033, 33580), (4255, 31828), (5014, 27010), (5402, 25070), (6716, 20165), (7957, 17020), (8066, 16790), (8395, 16132), (8510, 15914), (10028, 13505), (10804, 12535)]