138668580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24851}}^1$

素因数の和:24897

約数の個数: 72

約数和(自身を含む): 434214144

約数和(自身を除く): 295545564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 24851, 49702, 74553, 99404, 124255, 149106, 223659, 248510, 298212, 372765, 447318, 497020, 745530, 770381, 894636, 1118295, 1491060, 1540762, 2236590, 2311143, 3081524, 3851905, 4473180, 4622286, 6933429, 7703810, 9244572, 11555715, 13866858, 15407620, 23111430, 27733716, 34667145, 46222860, 69334290, 138668580]

約数ペア:

[(1, 138668580), (2, 69334290), (3, 46222860), (4, 34667145), (5, 27733716), (6, 23111430), (9, 15407620), (10, 13866858), (12, 11555715), (15, 9244572), (18, 7703810), (20, 6933429), (30, 4622286), (31, 4473180), (36, 3851905), (45, 3081524), (60, 2311143), (62, 2236590), (90, 1540762), (93, 1491060), (124, 1118295), (155, 894636), (180, 770381), (186, 745530), (279, 497020), (310, 447318), (372, 372765), (465, 298212), (558, 248510), (620, 223659), (930, 149106), (1116, 124255), (1395, 99404), (1860, 74553), (2790, 49702), (5580, 24851)]