90825420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{30893}}^1$

素因数の和:30919

約数の個数: 72

約数和(自身を含む): 295840944

約数和(自身を除く): 205015524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 30893, 61786, 92679, 123572, 154465, 185358, 216251, 308930, 370716, 432502, 463395, 617860, 648753, 865004, 926790, 1081255, 1297506, 1513757, 1853580, 2162510, 2595012, 3027514, 3243765, 4325020, 4541271, 6055028, 6487530, 7568785, 9082542, 12975060, 15137570, 18165084, 22706355, 30275140, 45412710, 90825420]

約数ペア:

[(1, 90825420), (2, 45412710), (3, 30275140), (4, 22706355), (5, 18165084), (6, 15137570), (7, 12975060), (10, 9082542), (12, 7568785), (14, 6487530), (15, 6055028), (20, 4541271), (21, 4325020), (28, 3243765), (30, 3027514), (35, 2595012), (42, 2162510), (49, 1853580), (60, 1513757), (70, 1297506), (84, 1081255), (98, 926790), (105, 865004), (140, 648753), (147, 617860), (196, 463395), (210, 432502), (245, 370716), (294, 308930), (420, 216251), (490, 185358), (588, 154465), (735, 123572), (980, 92679), (1470, 61786), (2940, 30893)]