278175420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90907}}^1$

素因数の和:90939

約数の個数: 72

約数和(自身を含む): 893443824

約数和(自身を除く): 615268404

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, 90907, 181814, 272721, 363628, 454535, 545442, 818163, 909070, 1090884, 1363605, 1545419, 1636326, 1818140, 2727210, 3090838, 3272652, 4090815, 4636257, 5454420, 6181676, 7727095, 8181630, 9272514, 13908771, 15454190, 16363260, 18545028, 23181285, 27817542, 30908380, 46362570, 55635084, 69543855, 92725140, 139087710, 278175420]

約数ペア:

[(1, 278175420), (2, 139087710), (3, 92725140), (4, 69543855), (5, 55635084), (6, 46362570), (9, 30908380), (10, 27817542), (12, 23181285), (15, 18545028), (17, 16363260), (18, 15454190), (20, 13908771), (30, 9272514), (34, 8181630), (36, 7727095), (45, 6181676), (51, 5454420), (60, 4636257), (68, 4090815), (85, 3272652), (90, 3090838), (102, 2727210), (153, 1818140), (170, 1636326), (180, 1545419), (204, 1363605), (255, 1090884), (306, 909070), (340, 818163), (510, 545442), (612, 454535), (765, 363628), (1020, 272721), (1530, 181814), (3060, 90907)]