128683520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 362976768

約数和(自身を除く): 234293248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 167, 172, 215, 224, 256, 280, 301, 320, 334, 344, 430, 448, 512, 560, 602, 640, 668, 688, 835, 860, 896, 1120, 1169, 1204, 1280, 1336, 1376, 1505, 1670, 1720, 1792, 2240, 2338, 2408, 2560, 2672, 2752, 3010, 3340, 3440, 3584, 4480, 4676, 4816, 5344, 5504, 5845, 6020, 6680, 6880, 7181, 8960, 9352, 9632, 10688, 11008, 11690, 12040, 13360, 13760, 14362, 17920, 18704, 19264, 21376, 22016, 23380, 24080, 26720, 27520, 28724, 35905, 37408, 38528, 42752, 46760, 48160, 50267, 53440, 55040, 57448, 71810, 74816, 77056, 85504, 93520, 96320, 100534, 106880, 110080, 114896, 143620, 149632, 154112, 187040, 192640, 201068, 213760, 229792, 251335, 287240, 299264, 374080, 385280, 402136, 427520, 459584, 502670, 574480, 598528, 748160, 770560, 804272, 919168, 1005340, 1148960, 1496320, 1608544, 1838336, 2010680, 2297920, 2992640, 3217088, 3676672, 4021360, 4595840, 6434176, 8042720, 9191680, 12868352, 16085440, 18383360, 25736704, 32170880, 64341760, 128683520]

約数ペア:

[(1, 128683520), (2, 64341760), (4, 32170880), (5, 25736704), (7, 18383360), (8, 16085440), (10, 12868352), (14, 9191680), (16, 8042720), (20, 6434176), (28, 4595840), (32, 4021360), (35, 3676672), (40, 3217088), (43, 2992640), (56, 2297920), (64, 2010680), (70, 1838336), (80, 1608544), (86, 1496320), (112, 1148960), (128, 1005340), (140, 919168), (160, 804272), (167, 770560), (172, 748160), (215, 598528), (224, 574480), (256, 502670), (280, 459584), (301, 427520), (320, 402136), (334, 385280), (344, 374080), (430, 299264), (448, 287240), (512, 251335), (560, 229792), (602, 213760), (640, 201068), (668, 192640), (688, 187040), (835, 154112), (860, 149632), (896, 143620), (1120, 114896), (1169, 110080), (1204, 106880), (1280, 100534), (1336, 96320), (1376, 93520), (1505, 85504), (1670, 77056), (1720, 74816), (1792, 71810), (2240, 57448), (2338, 55040), (2408, 53440), (2560, 50267), (2672, 48160), (2752, 46760), (3010, 42752), (3340, 38528), (3440, 37408), (3584, 35905), (4480, 28724), (4676, 27520), (4816, 26720), (5344, 24080), (5504, 23380), (5845, 22016), (6020, 21376), (6680, 19264), (6880, 18704), (7181, 17920), (8960, 14362), (9352, 13760), (9632, 13360), (10688, 12040), (11008, 11690)]