81080820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26497}}^1$

素因数の和:26529

約数の個数: 72

約数和(自身を含む): 260422344

約数和(自身を除く): 179341524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26497, 52994, 79491, 105988, 132485, 158982, 238473, 264970, 317964, 397455, 450449, 476946, 529940, 794910, 900898, 953892, 1192365, 1351347, 1589820, 1801796, 2252245, 2384730, 2702694, 4054041, 4504490, 4769460, 5405388, 6756735, 8108082, 9008980, 13513470, 16216164, 20270205, 27026940, 40540410, 81080820]

約数ペア:

[(1, 81080820), (2, 40540410), (3, 27026940), (4, 20270205), (5, 16216164), (6, 13513470), (9, 9008980), (10, 8108082), (12, 6756735), (15, 5405388), (17, 4769460), (18, 4504490), (20, 4054041), (30, 2702694), (34, 2384730), (36, 2252245), (45, 1801796), (51, 1589820), (60, 1351347), (68, 1192365), (85, 953892), (90, 900898), (102, 794910), (153, 529940), (170, 476946), (180, 450449), (204, 397455), (255, 317964), (306, 264970), (340, 238473), (510, 158982), (612, 132485), (765, 105988), (1020, 79491), (1530, 52994), (3060, 26497)]