17886420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 57345288

約数和(自身を除く): 39458868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 181, 183, 244, 270, 305, 324, 362, 366, 405, 540, 543, 549, 610, 724, 732, 810, 905, 915, 1086, 1098, 1220, 1620, 1629, 1647, 1810, 1830, 2172, 2196, 2715, 2745, 3258, 3294, 3620, 3660, 4887, 4941, 5430, 5490, 6516, 6588, 8145, 8235, 9774, 9882, 10860, 10980, 11041, 14661, 16290, 16470, 19548, 19764, 22082, 24435, 24705, 29322, 32580, 32940, 33123, 44164, 48870, 49410, 55205, 58644, 66246, 73305, 97740, 98820, 99369, 110410, 132492, 146610, 165615, 198738, 220820, 293220, 298107, 331230, 397476, 496845, 596214, 662460, 894321, 993690, 1192428, 1490535, 1788642, 1987380, 2981070, 3577284, 4471605, 5962140, 8943210, 17886420]

約数ペア:

[(1, 17886420), (2, 8943210), (3, 5962140), (4, 4471605), (5, 3577284), (6, 2981070), (9, 1987380), (10, 1788642), (12, 1490535), (15, 1192428), (18, 993690), (20, 894321), (27, 662460), (30, 596214), (36, 496845), (45, 397476), (54, 331230), (60, 298107), (61, 293220), (81, 220820), (90, 198738), (108, 165615), (122, 146610), (135, 132492), (162, 110410), (180, 99369), (181, 98820), (183, 97740), (244, 73305), (270, 66246), (305, 58644), (324, 55205), (362, 49410), (366, 48870), (405, 44164), (540, 33123), (543, 32940), (549, 32580), (610, 29322), (724, 24705), (732, 24435), (810, 22082), (905, 19764), (915, 19548), (1086, 16470), (1098, 16290), (1220, 14661), (1620, 11041), (1629, 10980), (1647, 10860), (1810, 9882), (1830, 9774), (2172, 8235), (2196, 8145), (2715, 6588), (2745, 6516), (3258, 5490), (3294, 5430), (3620, 4941), (3660, 4887)]