171547040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21881}}^1$

素因数の和:21910

約数の個数: 72

約数和(自身を含む): 471469572

約数和(自身を除く): 299922532

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21881, 43762, 87524, 109405, 153167, 175048, 218810, 306334, 350096, 437620, 612668, 700192, 765835, 875240, 1072169, 1225336, 1531670, 1750480, 2144338, 2450672, 3063340, 3500960, 4288676, 4901344, 5360845, 6126680, 8577352, 10721690, 12253360, 17154704, 21443380, 24506720, 34309408, 42886760, 85773520, 171547040]

約数ペア:

[(1, 171547040), (2, 85773520), (4, 42886760), (5, 34309408), (7, 24506720), (8, 21443380), (10, 17154704), (14, 12253360), (16, 10721690), (20, 8577352), (28, 6126680), (32, 5360845), (35, 4901344), (40, 4288676), (49, 3500960), (56, 3063340), (70, 2450672), (80, 2144338), (98, 1750480), (112, 1531670), (140, 1225336), (160, 1072169), (196, 875240), (224, 765835), (245, 700192), (280, 612668), (392, 437620), (490, 350096), (560, 306334), (784, 218810), (980, 175048), (1120, 153167), (1568, 109405), (1960, 87524), (3920, 43762), (7840, 21881)]