51471818820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{144203}}^1$

素因数の和:144882

約数の個数: 96

約数和(自身を含む): 160377920640

約数和(自身を除く): 108906101820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 661, 1322, 1983, 2644, 3305, 3966, 5949, 6610, 7932, 9915, 11898, 13220, 17847, 19830, 23796, 29745, 35694, 39660, 59490, 71388, 89235, 118980, 144203, 178470, 288406, 356940, 432609, 576812, 721015, 865218, 1297827, 1442030, 1730436, 2163045, 2595654, 2884060, 3893481, 4326090, 5191308, 6489135, 7786962, 8652180, 12978270, 15573924, 19467405, 25956540, 38934810, 77869620, 95318183, 190636366, 285954549, 381272732, 476590915, 571909098, 857863647, 953181830, 1143818196, 1429772745, 1715727294, 1906363660, 2573590941, 2859545490, 3431454588, 4289318235, 5147181882, 5719090980, 8578636470, 10294363764, 12867954705, 17157272940, 25735909410, 51471818820]

約数ペア:

[(1, 51471818820), (2, 25735909410), (3, 17157272940), (4, 12867954705), (5, 10294363764), (6, 8578636470), (9, 5719090980), (10, 5147181882), (12, 4289318235), (15, 3431454588), (18, 2859545490), (20, 2573590941), (27, 1906363660), (30, 1715727294), (36, 1429772745), (45, 1143818196), (54, 953181830), (60, 857863647), (90, 571909098), (108, 476590915), (135, 381272732), (180, 285954549), (270, 190636366), (540, 95318183), (661, 77869620), (1322, 38934810), (1983, 25956540), (2644, 19467405), (3305, 15573924), (3966, 12978270), (5949, 8652180), (6610, 7786962), (7932, 6489135), (9915, 5191308), (11898, 4326090), (13220, 3893481), (17847, 2884060), (19830, 2595654), (23796, 2163045), (29745, 1730436), (35694, 1442030), (39660, 1297827), (59490, 865218), (71388, 721015), (89235, 576812), (118980, 432609), (144203, 356940), (178470, 288406)]