127487220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 420271488

約数和(自身を除く): 292784268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 412, 420, 421, 490, 515, 588, 618, 721, 735, 842, 980, 1030, 1236, 1263, 1442, 1470, 1545, 1684, 2060, 2105, 2163, 2526, 2884, 2940, 2947, 3090, 3605, 4210, 4326, 5047, 5052, 5894, 6180, 6315, 7210, 8420, 8652, 8841, 10094, 10815, 11788, 12630, 14420, 14735, 15141, 17682, 20188, 20629, 21630, 25235, 25260, 29470, 30282, 35364, 41258, 43260, 43363, 44205, 50470, 58940, 60564, 61887, 75705, 82516, 86726, 88410, 100940, 103145, 123774, 130089, 151410, 173452, 176820, 206290, 216815, 247548, 260178, 302820, 303541, 309435, 412580, 433630, 520356, 607082, 618870, 650445, 867260, 910623, 1214164, 1237740, 1300890, 1517705, 1821246, 2124787, 2601780, 3035410, 3642492, 4249574, 4553115, 6070820, 6374361, 8499148, 9106230, 10623935, 12748722, 18212460, 21247870, 25497444, 31871805, 42495740, 63743610, 127487220]

約数ペア:

[(1, 127487220), (2, 63743610), (3, 42495740), (4, 31871805), (5, 25497444), (6, 21247870), (7, 18212460), (10, 12748722), (12, 10623935), (14, 9106230), (15, 8499148), (20, 6374361), (21, 6070820), (28, 4553115), (30, 4249574), (35, 3642492), (42, 3035410), (49, 2601780), (60, 2124787), (70, 1821246), (84, 1517705), (98, 1300890), (103, 1237740), (105, 1214164), (140, 910623), (147, 867260), (196, 650445), (206, 618870), (210, 607082), (245, 520356), (294, 433630), (309, 412580), (412, 309435), (420, 303541), (421, 302820), (490, 260178), (515, 247548), (588, 216815), (618, 206290), (721, 176820), (735, 173452), (842, 151410), (980, 130089), (1030, 123774), (1236, 103145), (1263, 100940), (1442, 88410), (1470, 86726), (1545, 82516), (1684, 75705), (2060, 61887), (2105, 60564), (2163, 58940), (2526, 50470), (2884, 44205), (2940, 43363), (2947, 43260), (3090, 41258), (3605, 35364), (4210, 30282), (4326, 29470), (5047, 25260), (5052, 25235), (5894, 21630), (6180, 20629), (6315, 20188), (7210, 17682), (8420, 15141), (8652, 14735), (8841, 14420), (10094, 12630), (10815, 11788)]