28855260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22901}}^1$

素因数の和:22923

約数の個数: 72

約数和(自身を含む): 100035936

約数和(自身を除く): 71180676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22901, 45802, 68703, 91604, 114505, 137406, 160307, 206109, 229010, 274812, 320614, 343515, 412218, 458020, 480921, 641228, 687030, 801535, 824436, 961842, 1030545, 1374060, 1442763, 1603070, 1923684, 2061090, 2404605, 2885526, 3206140, 4122180, 4809210, 5771052, 7213815, 9618420, 14427630, 28855260]

約数ペア:

[(1, 28855260), (2, 14427630), (3, 9618420), (4, 7213815), (5, 5771052), (6, 4809210), (7, 4122180), (9, 3206140), (10, 2885526), (12, 2404605), (14, 2061090), (15, 1923684), (18, 1603070), (20, 1442763), (21, 1374060), (28, 1030545), (30, 961842), (35, 824436), (36, 801535), (42, 687030), (45, 641228), (60, 480921), (63, 458020), (70, 412218), (84, 343515), (90, 320614), (105, 274812), (126, 229010), (140, 206109), (180, 160307), (210, 137406), (252, 114505), (315, 91604), (420, 68703), (630, 45802), (1260, 22901)]