1290689505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 128

約数和(自身を含む): 2802032640

約数和(自身を除く): 1511343135

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 43, 45, 63, 69, 105, 115, 129, 135, 161, 189, 207, 215, 301, 315, 345, 387, 483, 621, 645, 805, 903, 945, 989, 1035, 1161, 1381, 1449, 1505, 1935, 2415, 2709, 2967, 3105, 4143, 4347, 4515, 4945, 5805, 6905, 6923, 7245, 8127, 8901, 9667, 12429, 13545, 14835, 20715, 20769, 21735, 26703, 29001, 31763, 34615, 37287, 40635, 44505, 48335, 59383, 62145, 62307, 87003, 95289, 103845, 133515, 145005, 158815, 178149, 186435, 186921, 222341, 261009, 285867, 296915, 311535, 415681, 435015, 476445, 534447, 667023, 857601, 890745, 934605, 1111705, 1247043, 1305045, 1365809, 1429335, 1603341, 2001069, 2078405, 2672235, 3335115, 3741129, 4097427, 4288005, 6003207, 6235215, 6829045, 8016705, 9560663, 10005345, 11223387, 12292281, 18705645, 20487135, 28681989, 30016035, 36876843, 47803315, 56116935, 61461405, 86045967, 143409945, 184384215, 258137901, 430229835, 1290689505]

約数ペア:

[(1, 1290689505), (3, 430229835), (5, 258137901), (7, 184384215), (9, 143409945), (15, 86045967), (21, 61461405), (23, 56116935), (27, 47803315), (35, 36876843), (43, 30016035), (45, 28681989), (63, 20487135), (69, 18705645), (105, 12292281), (115, 11223387), (129, 10005345), (135, 9560663), (161, 8016705), (189, 6829045), (207, 6235215), (215, 6003207), (301, 4288005), (315, 4097427), (345, 3741129), (387, 3335115), (483, 2672235), (621, 2078405), (645, 2001069), (805, 1603341), (903, 1429335), (945, 1365809), (989, 1305045), (1035, 1247043), (1161, 1111705), (1381, 934605), (1449, 890745), (1505, 857601), (1935, 667023), (2415, 534447), (2709, 476445), (2967, 435015), (3105, 415681), (4143, 311535), (4347, 296915), (4515, 285867), (4945, 261009), (5805, 222341), (6905, 186921), (6923, 186435), (7245, 178149), (8127, 158815), (8901, 145005), (9667, 133515), (12429, 103845), (13545, 95289), (14835, 87003), (20715, 62307), (20769, 62145), (21735, 59383), (26703, 48335), (29001, 44505), (31763, 40635), (34615, 37287)]