81527160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4789

約数の個数: 128

約数和(自身を含む): 287400960

約数和(自身を除く): 205873800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 4751, 5720, 8580, 9502, 14253, 17160, 19004, 23755, 28506, 38008, 47510, 52261, 57012, 61763, 71265, 95020, 104522, 114024, 123526, 142530, 156783, 185289, 190040, 209044, 247052, 261305, 285060, 308815, 313566, 370578, 418088, 494104, 522610, 570120, 617630, 627132, 679393, 741156, 783915, 926445, 1045220, 1235260, 1254264, 1358786, 1482312, 1567830, 1852890, 2038179, 2090440, 2470520, 2717572, 3135660, 3396965, 3705780, 4076358, 5435144, 6271320, 6793930, 7411560, 8152716, 10190895, 13587860, 16305432, 20381790, 27175720, 40763580, 81527160]

約数ペア:

[(1, 81527160), (2, 40763580), (3, 27175720), (4, 20381790), (5, 16305432), (6, 13587860), (8, 10190895), (10, 8152716), (11, 7411560), (12, 6793930), (13, 6271320), (15, 5435144), (20, 4076358), (22, 3705780), (24, 3396965), (26, 3135660), (30, 2717572), (33, 2470520), (39, 2090440), (40, 2038179), (44, 1852890), (52, 1567830), (55, 1482312), (60, 1358786), (65, 1254264), (66, 1235260), (78, 1045220), (88, 926445), (104, 783915), (110, 741156), (120, 679393), (130, 627132), (132, 617630), (143, 570120), (156, 522610), (165, 494104), (195, 418088), (220, 370578), (260, 313566), (264, 308815), (286, 285060), (312, 261305), (330, 247052), (390, 209044), (429, 190040), (440, 185289), (520, 156783), (572, 142530), (660, 123526), (715, 114024), (780, 104522), (858, 95020), (1144, 71265), (1320, 61763), (1430, 57012), (1560, 52261), (1716, 47510), (2145, 38008), (2860, 28506), (3432, 23755), (4290, 19004), (4751, 17160), (5720, 14253), (8580, 9502)]