280844520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1715

約数の個数: 128

約数和(自身を含む): 926432640

約数和(自身を除く): 645588120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 165, 220, 264, 274, 330, 411, 440, 548, 660, 685, 822, 1096, 1320, 1370, 1507, 1553, 1644, 2055, 2740, 3014, 3106, 3288, 4110, 4521, 4659, 5480, 6028, 6212, 7535, 7765, 8220, 9042, 9318, 12056, 12424, 15070, 15530, 16440, 17083, 18084, 18636, 22605, 23295, 30140, 31060, 34166, 36168, 37272, 45210, 46590, 51249, 60280, 62120, 68332, 85415, 90420, 93180, 102498, 136664, 170830, 180840, 186360, 204996, 212761, 256245, 341660, 409992, 425522, 512490, 638283, 683320, 851044, 1024980, 1063805, 1276566, 1702088, 2049960, 2127610, 2340371, 2553132, 3191415, 4255220, 4680742, 5106264, 6382830, 7021113, 8510440, 9361484, 11701855, 12765660, 14042226, 18722968, 23403710, 25531320, 28084452, 35105565, 46807420, 56168904, 70211130, 93614840, 140422260, 280844520]

約数ペア:

[(1, 280844520), (2, 140422260), (3, 93614840), (4, 70211130), (5, 56168904), (6, 46807420), (8, 35105565), (10, 28084452), (11, 25531320), (12, 23403710), (15, 18722968), (20, 14042226), (22, 12765660), (24, 11701855), (30, 9361484), (33, 8510440), (40, 7021113), (44, 6382830), (55, 5106264), (60, 4680742), (66, 4255220), (88, 3191415), (110, 2553132), (120, 2340371), (132, 2127610), (137, 2049960), (165, 1702088), (220, 1276566), (264, 1063805), (274, 1024980), (330, 851044), (411, 683320), (440, 638283), (548, 512490), (660, 425522), (685, 409992), (822, 341660), (1096, 256245), (1320, 212761), (1370, 204996), (1507, 186360), (1553, 180840), (1644, 170830), (2055, 136664), (2740, 102498), (3014, 93180), (3106, 90420), (3288, 85415), (4110, 68332), (4521, 62120), (4659, 60280), (5480, 51249), (6028, 46590), (6212, 45210), (7535, 37272), (7765, 36168), (8220, 34166), (9042, 31060), (9318, 30140), (12056, 23295), (12424, 22605), (15070, 18636), (15530, 18084), (16440, 17083)]