248245740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8461}}^1$

素因数の和:8639

約数の個数: 72

約数和(自身を含む): 757721328

約数和(自身を除く): 509475588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 8461, 9780, 14670, 16922, 25383, 29340, 33844, 42305, 50766, 76149, 84610, 101532, 126915, 152298, 169220, 253830, 304596, 380745, 507660, 761490, 1379143, 1522980, 2758286, 4137429, 5516572, 6895715, 8274858, 12412287, 13791430, 16549716, 20687145, 24824574, 27582860, 41374290, 49649148, 62061435, 82748580, 124122870, 248245740]

約数ペア:

[(1, 248245740), (2, 124122870), (3, 82748580), (4, 62061435), (5, 49649148), (6, 41374290), (9, 27582860), (10, 24824574), (12, 20687145), (15, 16549716), (18, 13791430), (20, 12412287), (30, 8274858), (36, 6895715), (45, 5516572), (60, 4137429), (90, 2758286), (163, 1522980), (180, 1379143), (326, 761490), (489, 507660), (652, 380745), (815, 304596), (978, 253830), (1467, 169220), (1630, 152298), (1956, 126915), (2445, 101532), (2934, 84610), (3260, 76149), (4890, 50766), (5868, 42305), (7335, 33844), (8461, 29340), (9780, 25383), (14670, 16922)]