7878870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 21640608

約数和(自身を除く): 13761738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 137, 142, 162, 213, 270, 274, 355, 405, 411, 426, 639, 685, 710, 810, 822, 1065, 1233, 1278, 1370, 1917, 2055, 2130, 2466, 3195, 3699, 3834, 4110, 5751, 6165, 6390, 7398, 9585, 9727, 11097, 11502, 12330, 18495, 19170, 19454, 22194, 28755, 29181, 36990, 48635, 55485, 57510, 58362, 87543, 97270, 110970, 145905, 175086, 262629, 291810, 437715, 525258, 787887, 875430, 1313145, 1575774, 2626290, 3939435, 7878870]

約数ペア:

[(1, 7878870), (2, 3939435), (3, 2626290), (5, 1575774), (6, 1313145), (9, 875430), (10, 787887), (15, 525258), (18, 437715), (27, 291810), (30, 262629), (45, 175086), (54, 145905), (71, 110970), (81, 97270), (90, 87543), (135, 58362), (137, 57510), (142, 55485), (162, 48635), (213, 36990), (270, 29181), (274, 28755), (355, 22194), (405, 19454), (411, 19170), (426, 18495), (639, 12330), (685, 11502), (710, 11097), (810, 9727), (822, 9585), (1065, 7398), (1233, 6390), (1278, 6165), (1370, 5751), (1917, 4110), (2055, 3834), (2130, 3699), (2466, 3195)]