155124620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1153}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 385029792

約数和(自身を除く): 229905172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1153, 1922, 2170, 2306, 3844, 4340, 4612, 4805, 5765, 6727, 8071, 9610, 11530, 13454, 16142, 19220, 23060, 26908, 32284, 33635, 35743, 40355, 67270, 71486, 80710, 134540, 142972, 161420, 178715, 250201, 357430, 500402, 714860, 1000804, 1108033, 1251005, 2216066, 2502010, 4432132, 5004020, 5540165, 7756231, 11080330, 15512462, 22160660, 31024924, 38781155, 77562310, 155124620]

約数ペア:

[(1, 155124620), (2, 77562310), (4, 38781155), (5, 31024924), (7, 22160660), (10, 15512462), (14, 11080330), (20, 7756231), (28, 5540165), (31, 5004020), (35, 4432132), (62, 2502010), (70, 2216066), (124, 1251005), (140, 1108033), (155, 1000804), (217, 714860), (310, 500402), (434, 357430), (620, 250201), (868, 178715), (961, 161420), (1085, 142972), (1153, 134540), (1922, 80710), (2170, 71486), (2306, 67270), (3844, 40355), (4340, 35743), (4612, 33635), (4805, 32284), (5765, 26908), (6727, 23060), (8071, 19220), (9610, 16142), (11530, 13454)]