178690960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5231}}^1$

素因数の和:5312

約数の個数: 80

約数和(自身を含む): 482683392

約数和(自身を除く): 303992432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 5231, 6832, 8540, 10462, 17080, 20924, 26155, 34160, 36617, 41848, 52310, 73234, 83696, 104620, 146468, 183085, 209240, 292936, 319091, 366170, 418480, 585872, 638182, 732340, 1276364, 1464680, 1595455, 2233637, 2552728, 2929360, 3190910, 4467274, 5105456, 6381820, 8934548, 11168185, 12763640, 17869096, 22336370, 25527280, 35738192, 44672740, 89345480, 178690960]

約数ペア:

[(1, 178690960), (2, 89345480), (4, 44672740), (5, 35738192), (7, 25527280), (8, 22336370), (10, 17869096), (14, 12763640), (16, 11168185), (20, 8934548), (28, 6381820), (35, 5105456), (40, 4467274), (56, 3190910), (61, 2929360), (70, 2552728), (80, 2233637), (112, 1595455), (122, 1464680), (140, 1276364), (244, 732340), (280, 638182), (305, 585872), (427, 418480), (488, 366170), (560, 319091), (610, 292936), (854, 209240), (976, 183085), (1220, 146468), (1708, 104620), (2135, 83696), (2440, 73234), (3416, 52310), (4270, 41848), (4880, 36617), (5231, 34160), (6832, 26155), (8540, 20924), (10462, 17080)]