172429840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 451221120

約数和(自身を除く): 278791280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 121, 176, 188, 220, 235, 242, 376, 379, 440, 470, 484, 517, 605, 752, 758, 880, 940, 968, 1034, 1210, 1516, 1880, 1895, 1936, 2068, 2420, 2585, 3032, 3760, 3790, 4136, 4169, 4840, 5170, 5687, 6064, 7580, 8272, 8338, 9680, 10340, 11374, 15160, 16676, 17813, 20680, 20845, 22748, 28435, 30320, 33352, 35626, 41360, 41690, 45496, 45859, 56870, 66704, 71252, 83380, 89065, 90992, 91718, 113740, 142504, 166760, 178130, 183436, 195943, 227480, 229295, 285008, 333520, 356260, 366872, 391886, 454960, 458590, 712520, 733744, 783772, 917180, 979715, 1425040, 1567544, 1834360, 1959430, 2155373, 3135088, 3668720, 3918860, 4310746, 7837720, 8621492, 10776865, 15675440, 17242984, 21553730, 34485968, 43107460, 86214920, 172429840]

約数ペア:

[(1, 172429840), (2, 86214920), (4, 43107460), (5, 34485968), (8, 21553730), (10, 17242984), (11, 15675440), (16, 10776865), (20, 8621492), (22, 7837720), (40, 4310746), (44, 3918860), (47, 3668720), (55, 3135088), (80, 2155373), (88, 1959430), (94, 1834360), (110, 1567544), (121, 1425040), (176, 979715), (188, 917180), (220, 783772), (235, 733744), (242, 712520), (376, 458590), (379, 454960), (440, 391886), (470, 366872), (484, 356260), (517, 333520), (605, 285008), (752, 229295), (758, 227480), (880, 195943), (940, 183436), (968, 178130), (1034, 166760), (1210, 142504), (1516, 113740), (1880, 91718), (1895, 90992), (1936, 89065), (2068, 83380), (2420, 71252), (2585, 66704), (3032, 56870), (3760, 45859), (3790, 45496), (4136, 41690), (4169, 41360), (4840, 35626), (5170, 33352), (5687, 30320), (6064, 28435), (7580, 22748), (8272, 20845), (8338, 20680), (9680, 17813), (10340, 16676), (11374, 15160)]