28960140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 72

約数和(自身を含む): 89152560

約数和(自身を除く): 60192420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3989, 7260, 7978, 11967, 15956, 19945, 23934, 39890, 43879, 47868, 59835, 79780, 87758, 119670, 131637, 175516, 219395, 239340, 263274, 438790, 482669, 526548, 658185, 877580, 965338, 1316370, 1448007, 1930676, 2413345, 2632740, 2896014, 4826690, 5792028, 7240035, 9653380, 14480070, 28960140]

約数ペア:

[(1, 28960140), (2, 14480070), (3, 9653380), (4, 7240035), (5, 5792028), (6, 4826690), (10, 2896014), (11, 2632740), (12, 2413345), (15, 1930676), (20, 1448007), (22, 1316370), (30, 965338), (33, 877580), (44, 658185), (55, 526548), (60, 482669), (66, 438790), (110, 263274), (121, 239340), (132, 219395), (165, 175516), (220, 131637), (242, 119670), (330, 87758), (363, 79780), (484, 59835), (605, 47868), (660, 43879), (726, 39890), (1210, 23934), (1452, 19945), (1815, 15956), (2420, 11967), (3630, 7978), (3989, 7260)]