172309480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 476640000

約数和(自身を除く): 304330520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 532, 661, 665, 686, 760, 931, 980, 1064, 1322, 1330, 1372, 1715, 1862, 1960, 2644, 2660, 2744, 3305, 3430, 3724, 4627, 4655, 5288, 5320, 6517, 6610, 6860, 7448, 9254, 9310, 12559, 13034, 13220, 13720, 18508, 18620, 23135, 25118, 26068, 26440, 32389, 32585, 37016, 37240, 46270, 50236, 52136, 62795, 64778, 65170, 87913, 92540, 100472, 125590, 129556, 130340, 161945, 175826, 185080, 226723, 251180, 259112, 260680, 323890, 351652, 439565, 453446, 502360, 615391, 647780, 703304, 879130, 906892, 1133615, 1230782, 1295560, 1758260, 1813784, 2267230, 2461564, 3076955, 3516520, 4307737, 4534460, 4923128, 6153910, 8615474, 9068920, 12307820, 17230948, 21538685, 24615640, 34461896, 43077370, 86154740, 172309480]

約数ペア:

[(1, 172309480), (2, 86154740), (4, 43077370), (5, 34461896), (7, 24615640), (8, 21538685), (10, 17230948), (14, 12307820), (19, 9068920), (20, 8615474), (28, 6153910), (35, 4923128), (38, 4534460), (40, 4307737), (49, 3516520), (56, 3076955), (70, 2461564), (76, 2267230), (95, 1813784), (98, 1758260), (133, 1295560), (140, 1230782), (152, 1133615), (190, 906892), (196, 879130), (245, 703304), (266, 647780), (280, 615391), (343, 502360), (380, 453446), (392, 439565), (490, 351652), (532, 323890), (661, 260680), (665, 259112), (686, 251180), (760, 226723), (931, 185080), (980, 175826), (1064, 161945), (1322, 130340), (1330, 129556), (1372, 125590), (1715, 100472), (1862, 92540), (1960, 87913), (2644, 65170), (2660, 64778), (2744, 62795), (3305, 52136), (3430, 50236), (3724, 46270), (4627, 37240), (4655, 37016), (5288, 32585), (5320, 32389), (6517, 26440), (6610, 26068), (6860, 25118), (7448, 23135), (9254, 18620), (9310, 18508), (12559, 13720), (13034, 13220)]