257367040

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 176

約数和(自身を含む): 726308352

約数和(自身を除く): 468941312

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, 1024, 1120, 1169, 1204, 1280, 1336, 1376, 1505, 1670, 1720, 1792, 2240, 2338, 2408, 2560, 2672, 2752, 3010, 3340, 3440, 3584, 4480, 4676, 4816, 5120, 5344, 5504, 5845, 6020, 6680, 6880, 7168, 7181, 8960, 9352, 9632, 10688, 11008, 11690, 12040, 13360, 13760, 14362, 17920, 18704, 19264, 21376, 22016, 23380, 24080, 26720, 27520, 28724, 35840, 35905, 37408, 38528, 42752, 44032, 46760, 48160, 50267, 53440, 55040, 57448, 71810, 74816, 77056, 85504, 93520, 96320, 100534, 106880, 110080, 114896, 143620, 149632, 154112, 171008, 187040, 192640, 201068, 213760, 220160, 229792, 251335, 287240, 299264, 308224, 374080, 385280, 402136, 427520, 459584, 502670, 574480, 598528, 748160, 770560, 804272, 855040, 919168, 1005340, 1148960, 1197056, 1496320, 1541120, 1608544, 1838336, 2010680, 2297920, 2992640, 3217088, 3676672, 4021360, 4595840, 5985280, 6434176, 7353344, 8042720, 9191680, 12868352, 16085440, 18383360, 25736704, 32170880, 36766720, 51473408, 64341760, 128683520, 257367040]

約数ペア:

[(1, 257367040), (2, 128683520), (4, 64341760), (5, 51473408), (7, 36766720), (8, 32170880), (10, 25736704), (14, 18383360), (16, 16085440), (20, 12868352), (28, 9191680), (32, 8042720), (35, 7353344), (40, 6434176), (43, 5985280), (56, 4595840), (64, 4021360), (70, 3676672), (80, 3217088), (86, 2992640), (112, 2297920), (128, 2010680), (140, 1838336), (160, 1608544), (167, 1541120), (172, 1496320), (215, 1197056), (224, 1148960), (256, 1005340), (280, 919168), (301, 855040), (320, 804272), (334, 770560), (344, 748160), (430, 598528), (448, 574480), (512, 502670), (560, 459584), (602, 427520), (640, 402136), (668, 385280), (688, 374080), (835, 308224), (860, 299264), (896, 287240), (1024, 251335), (1120, 229792), (1169, 220160), (1204, 213760), (1280, 201068), (1336, 192640), (1376, 187040), (1505, 171008), (1670, 154112), (1720, 149632), (1792, 143620), (2240, 114896), (2338, 110080), (2408, 106880), (2560, 100534), (2672, 96320), (2752, 93520), (3010, 85504), (3340, 77056), (3440, 74816), (3584, 71810), (4480, 57448), (4676, 55040), (4816, 53440), (5120, 50267), (5344, 48160), (5504, 46760), (5845, 44032), (6020, 42752), (6680, 38528), (6880, 37408), (7168, 35905), (7181, 35840), (8960, 28724), (9352, 27520), (9632, 26720), (10688, 24080), (11008, 23380), (11690, 22016), (12040, 21376), (13360, 19264), (13760, 18704), (14362, 17920)]