80720325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 168524928

約数和(自身を除く): 87804603

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 53, 63, 75, 105, 159, 175, 225, 265, 315, 371, 477, 525, 795, 967, 1113, 1325, 1575, 1855, 2385, 2901, 3339, 3975, 4835, 5565, 6769, 8703, 9275, 11925, 14505, 16695, 20307, 24175, 27825, 33845, 43515, 51251, 60921, 72525, 83475, 101535, 153753, 169225, 217575, 256255, 304605, 358757, 461259, 507675, 768765, 1076271, 1281275, 1523025, 1793785, 2306295, 3228813, 3843825, 5381355, 8968925, 11531475, 16144065, 26906775, 80720325]

約数ペア:

[(1, 80720325), (3, 26906775), (5, 16144065), (7, 11531475), (9, 8968925), (15, 5381355), (21, 3843825), (25, 3228813), (35, 2306295), (45, 1793785), (53, 1523025), (63, 1281275), (75, 1076271), (105, 768765), (159, 507675), (175, 461259), (225, 358757), (265, 304605), (315, 256255), (371, 217575), (477, 169225), (525, 153753), (795, 101535), (967, 83475), (1113, 72525), (1325, 60921), (1575, 51251), (1855, 43515), (2385, 33845), (2901, 27825), (3339, 24175), (3975, 20307), (4835, 16695), (5565, 14505), (6769, 11925), (8703, 9275)]