127272640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 168

約数和(自身を含む): 352684080

約数和(自身を除く): 225411440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 121, 152, 160, 173, 176, 190, 209, 220, 242, 304, 320, 346, 352, 380, 418, 440, 484, 605, 608, 692, 704, 760, 836, 865, 880, 968, 1045, 1210, 1216, 1384, 1520, 1672, 1730, 1760, 1903, 1936, 2090, 2299, 2420, 2768, 3040, 3287, 3344, 3460, 3520, 3806, 3872, 4180, 4598, 4840, 5536, 6080, 6574, 6688, 6920, 7612, 7744, 8360, 9196, 9515, 9680, 11072, 11495, 13148, 13376, 13840, 15224, 16435, 16720, 18392, 19030, 19360, 20933, 22990, 26296, 27680, 30448, 32870, 33440, 36157, 36784, 38060, 38720, 41866, 45980, 52592, 55360, 60896, 65740, 66880, 72314, 73568, 76120, 83732, 91960, 104665, 105184, 121792, 131480, 144628, 147136, 152240, 167464, 180785, 183920, 209330, 210368, 262960, 289256, 304480, 334928, 361570, 367840, 397727, 418660, 525920, 578512, 608960, 669856, 723140, 735680, 795454, 837320, 1051840, 1157024, 1339712, 1446280, 1590908, 1674640, 1988635, 2314048, 2892560, 3181816, 3349280, 3977270, 5785120, 6363632, 6698560, 7954540, 11570240, 12727264, 15909080, 25454528, 31818160, 63636320, 127272640]

約数ペア:

[(1, 127272640), (2, 63636320), (4, 31818160), (5, 25454528), (8, 15909080), (10, 12727264), (11, 11570240), (16, 7954540), (19, 6698560), (20, 6363632), (22, 5785120), (32, 3977270), (38, 3349280), (40, 3181816), (44, 2892560), (55, 2314048), (64, 1988635), (76, 1674640), (80, 1590908), (88, 1446280), (95, 1339712), (110, 1157024), (121, 1051840), (152, 837320), (160, 795454), (173, 735680), (176, 723140), (190, 669856), (209, 608960), (220, 578512), (242, 525920), (304, 418660), (320, 397727), (346, 367840), (352, 361570), (380, 334928), (418, 304480), (440, 289256), (484, 262960), (605, 210368), (608, 209330), (692, 183920), (704, 180785), (760, 167464), (836, 152240), (865, 147136), (880, 144628), (968, 131480), (1045, 121792), (1210, 105184), (1216, 104665), (1384, 91960), (1520, 83732), (1672, 76120), (1730, 73568), (1760, 72314), (1903, 66880), (1936, 65740), (2090, 60896), (2299, 55360), (2420, 52592), (2768, 45980), (3040, 41866), (3287, 38720), (3344, 38060), (3460, 36784), (3520, 36157), (3806, 33440), (3872, 32870), (4180, 30448), (4598, 27680), (4840, 26296), (5536, 22990), (6080, 20933), (6574, 19360), (6688, 19030), (6920, 18392), (7612, 16720), (7744, 16435), (8360, 15224), (9196, 13840), (9515, 13376), (9680, 13148), (11072, 11495)]