1280790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 4043520

約数和(自身を除く): 2762730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 107, 114, 126, 133, 171, 190, 210, 214, 266, 285, 315, 321, 342, 399, 535, 570, 630, 642, 665, 749, 798, 855, 963, 1070, 1197, 1330, 1498, 1605, 1710, 1926, 1995, 2033, 2247, 2394, 3210, 3745, 3990, 4066, 4494, 4815, 5985, 6099, 6741, 7490, 9630, 10165, 11235, 11970, 12198, 13482, 14231, 18297, 20330, 22470, 28462, 30495, 33705, 36594, 42693, 60990, 67410, 71155, 85386, 91485, 128079, 142310, 182970, 213465, 256158, 426930, 640395, 1280790]

約数ペア:

[(1, 1280790), (2, 640395), (3, 426930), (5, 256158), (6, 213465), (7, 182970), (9, 142310), (10, 128079), (14, 91485), (15, 85386), (18, 71155), (19, 67410), (21, 60990), (30, 42693), (35, 36594), (38, 33705), (42, 30495), (45, 28462), (57, 22470), (63, 20330), (70, 18297), (90, 14231), (95, 13482), (105, 12198), (107, 11970), (114, 11235), (126, 10165), (133, 9630), (171, 7490), (190, 6741), (210, 6099), (214, 5985), (266, 4815), (285, 4494), (315, 4066), (321, 3990), (342, 3745), (399, 3210), (535, 2394), (570, 2247), (630, 2033), (642, 1995), (665, 1926), (749, 1710), (798, 1605), (855, 1498), (963, 1330), (1070, 1197)]