31851540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1526

約数の個数: 144

約数和(自身を含む): 116992512

約数和(自身を除く): 85140972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1487, 1530, 1785, 2142, 2380, 2974, 3060, 3570, 4284, 4461, 5355, 5948, 7140, 7435, 8922, 10409, 10710, 13383, 14870, 17844, 20818, 21420, 22305, 25279, 26766, 29740, 31227, 41636, 44610, 50558, 52045, 53532, 62454, 66915, 75837, 89220, 93681, 101116, 104090, 124908, 126395, 133830, 151674, 156135, 176953, 187362, 208180, 227511, 252790, 267660, 303348, 312270, 353906, 374724, 379185, 455022, 468405, 505580, 530859, 624540, 707812, 758370, 884765, 910044, 936810, 1061718, 1137555, 1516740, 1592577, 1769530, 1873620, 2123436, 2275110, 2654295, 3185154, 3539060, 4550220, 5308590, 6370308, 7962885, 10617180, 15925770, 31851540]

約数ペア:

[(1, 31851540), (2, 15925770), (3, 10617180), (4, 7962885), (5, 6370308), (6, 5308590), (7, 4550220), (9, 3539060), (10, 3185154), (12, 2654295), (14, 2275110), (15, 2123436), (17, 1873620), (18, 1769530), (20, 1592577), (21, 1516740), (28, 1137555), (30, 1061718), (34, 936810), (35, 910044), (36, 884765), (42, 758370), (45, 707812), (51, 624540), (60, 530859), (63, 505580), (68, 468405), (70, 455022), (84, 379185), (85, 374724), (90, 353906), (102, 312270), (105, 303348), (119, 267660), (126, 252790), (140, 227511), (153, 208180), (170, 187362), (180, 176953), (204, 156135), (210, 151674), (238, 133830), (252, 126395), (255, 124908), (306, 104090), (315, 101116), (340, 93681), (357, 89220), (420, 75837), (476, 66915), (510, 62454), (595, 53532), (612, 52045), (630, 50558), (714, 44610), (765, 41636), (1020, 31227), (1071, 29740), (1190, 26766), (1260, 25279), (1428, 22305), (1487, 21420), (1530, 20818), (1785, 17844), (2142, 14870), (2380, 13383), (2974, 10710), (3060, 10409), (3570, 8922), (4284, 7435), (4461, 7140), (5355, 5948)]