245756560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 674796096

約数和(自身を除く): 429039536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 883, 980, 994, 1136, 1420, 1766, 1960, 1988, 2485, 2840, 3479, 3532, 3920, 3976, 4415, 4970, 5680, 6181, 6958, 7064, 7952, 8830, 9940, 12362, 13916, 14128, 17395, 17660, 19880, 24724, 27832, 30905, 34790, 35320, 39760, 43267, 49448, 55664, 61810, 62693, 69580, 70640, 86534, 98896, 123620, 125386, 139160, 173068, 216335, 247240, 250772, 278320, 313465, 346136, 432670, 438851, 494480, 501544, 626930, 692272, 865340, 877702, 1003088, 1253860, 1730680, 1755404, 2194255, 2507720, 3071957, 3461360, 3510808, 4388510, 5015440, 6143914, 7021616, 8777020, 12287828, 15359785, 17554040, 24575656, 30719570, 35108080, 49151312, 61439140, 122878280, 245756560]

約数ペア:

[(1, 245756560), (2, 122878280), (4, 61439140), (5, 49151312), (7, 35108080), (8, 30719570), (10, 24575656), (14, 17554040), (16, 15359785), (20, 12287828), (28, 8777020), (35, 7021616), (40, 6143914), (49, 5015440), (56, 4388510), (70, 3510808), (71, 3461360), (80, 3071957), (98, 2507720), (112, 2194255), (140, 1755404), (142, 1730680), (196, 1253860), (245, 1003088), (280, 877702), (284, 865340), (355, 692272), (392, 626930), (490, 501544), (497, 494480), (560, 438851), (568, 432670), (710, 346136), (784, 313465), (883, 278320), (980, 250772), (994, 247240), (1136, 216335), (1420, 173068), (1766, 139160), (1960, 125386), (1988, 123620), (2485, 98896), (2840, 86534), (3479, 70640), (3532, 69580), (3920, 62693), (3976, 61810), (4415, 55664), (4970, 49448), (5680, 43267), (6181, 39760), (6958, 35320), (7064, 34790), (7952, 30905), (8830, 27832), (9940, 24724), (12362, 19880), (13916, 17660), (14128, 17395)]