87755220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 306528768

約数和(自身を除く): 218773548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 271, 315, 420, 514, 542, 630, 771, 813, 1028, 1084, 1260, 1285, 1355, 1542, 1626, 1799, 1897, 2313, 2439, 2570, 2710, 3084, 3252, 3598, 3794, 3855, 4065, 4626, 4878, 5140, 5397, 5420, 5691, 7196, 7588, 7710, 8130, 8995, 9252, 9485, 9756, 10794, 11382, 11565, 12195, 15420, 16191, 16260, 17073, 17990, 18970, 21588, 22764, 23130, 24390, 26985, 28455, 32382, 34146, 35980, 37940, 46260, 48780, 53970, 56910, 64764, 68292, 69647, 80955, 85365, 107940, 113820, 139294, 161910, 170730, 208941, 278588, 323820, 341460, 348235, 417882, 487529, 626823, 696470, 835764, 975058, 1044705, 1253646, 1392940, 1462587, 1950116, 2089410, 2437645, 2507292, 2925174, 3134115, 4178820, 4387761, 4875290, 5850348, 6268230, 7312935, 8775522, 9750580, 12536460, 14625870, 17551044, 21938805, 29251740, 43877610, 87755220]

約数ペア:

[(1, 87755220), (2, 43877610), (3, 29251740), (4, 21938805), (5, 17551044), (6, 14625870), (7, 12536460), (9, 9750580), (10, 8775522), (12, 7312935), (14, 6268230), (15, 5850348), (18, 4875290), (20, 4387761), (21, 4178820), (28, 3134115), (30, 2925174), (35, 2507292), (36, 2437645), (42, 2089410), (45, 1950116), (60, 1462587), (63, 1392940), (70, 1253646), (84, 1044705), (90, 975058), (105, 835764), (126, 696470), (140, 626823), (180, 487529), (210, 417882), (252, 348235), (257, 341460), (271, 323820), (315, 278588), (420, 208941), (514, 170730), (542, 161910), (630, 139294), (771, 113820), (813, 107940), (1028, 85365), (1084, 80955), (1260, 69647), (1285, 68292), (1355, 64764), (1542, 56910), (1626, 53970), (1799, 48780), (1897, 46260), (2313, 37940), (2439, 35980), (2570, 34146), (2710, 32382), (3084, 28455), (3252, 26985), (3598, 24390), (3794, 23130), (3855, 22764), (4065, 21588), (4626, 18970), (4878, 17990), (5140, 17073), (5397, 16260), (5420, 16191), (5691, 15420), (7196, 12195), (7588, 11565), (7710, 11382), (8130, 10794), (8995, 9756), (9252, 9485)]