15128520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 50509440

約数和(自身を除く): 35380920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 157, 165, 219, 220, 264, 292, 314, 330, 365, 438, 440, 471, 584, 628, 660, 730, 785, 803, 876, 942, 1095, 1256, 1320, 1460, 1570, 1606, 1727, 1752, 1884, 2190, 2355, 2409, 2920, 3140, 3212, 3454, 3768, 4015, 4380, 4710, 4818, 5181, 6280, 6424, 6908, 8030, 8635, 8760, 9420, 9636, 10362, 11461, 12045, 13816, 16060, 17270, 18840, 19272, 20724, 22922, 24090, 25905, 32120, 34383, 34540, 41448, 45844, 48180, 51810, 57305, 68766, 69080, 91688, 96360, 103620, 114610, 126071, 137532, 171915, 207240, 229220, 252142, 275064, 343830, 378213, 458440, 504284, 630355, 687660, 756426, 1008568, 1260710, 1375320, 1512852, 1891065, 2521420, 3025704, 3782130, 5042840, 7564260, 15128520]

約数ペア:

[(1, 15128520), (2, 7564260), (3, 5042840), (4, 3782130), (5, 3025704), (6, 2521420), (8, 1891065), (10, 1512852), (11, 1375320), (12, 1260710), (15, 1008568), (20, 756426), (22, 687660), (24, 630355), (30, 504284), (33, 458440), (40, 378213), (44, 343830), (55, 275064), (60, 252142), (66, 229220), (73, 207240), (88, 171915), (110, 137532), (120, 126071), (132, 114610), (146, 103620), (157, 96360), (165, 91688), (219, 69080), (220, 68766), (264, 57305), (292, 51810), (314, 48180), (330, 45844), (365, 41448), (438, 34540), (440, 34383), (471, 32120), (584, 25905), (628, 24090), (660, 22922), (730, 20724), (785, 19272), (803, 18840), (876, 17270), (942, 16060), (1095, 13816), (1256, 12045), (1320, 11461), (1460, 10362), (1570, 9636), (1606, 9420), (1727, 8760), (1752, 8635), (1884, 8030), (2190, 6908), (2355, 6424), (2409, 6280), (2920, 5181), (3140, 4818), (3212, 4710), (3454, 4380), (3768, 4015)]