178155990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 500860800

約数和(自身を除く): 322704810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 61, 87, 90, 122, 135, 145, 174, 183, 261, 270, 290, 305, 366, 373, 435, 522, 549, 610, 746, 783, 870, 915, 1098, 1119, 1305, 1566, 1647, 1769, 1830, 1865, 2238, 2610, 2745, 3294, 3357, 3538, 3730, 3915, 5307, 5490, 5595, 6714, 7830, 8235, 8845, 10071, 10614, 10817, 11190, 15921, 16470, 16785, 17690, 20142, 21634, 22753, 26535, 31842, 32451, 33570, 45506, 47763, 50355, 53070, 54085, 64902, 68259, 79605, 95526, 97353, 100710, 108170, 113765, 136518, 159210, 162255, 194706, 204777, 227530, 238815, 292059, 324510, 341295, 409554, 477630, 486765, 584118, 614331, 659837, 682590, 973530, 1023885, 1228662, 1319674, 1460295, 1979511, 2047770, 2920590, 3071655, 3299185, 3959022, 5938533, 6143310, 6598370, 9897555, 11877066, 17815599, 19795110, 29692665, 35631198, 59385330, 89077995, 178155990]

約数ペア:

[(1, 178155990), (2, 89077995), (3, 59385330), (5, 35631198), (6, 29692665), (9, 19795110), (10, 17815599), (15, 11877066), (18, 9897555), (27, 6598370), (29, 6143310), (30, 5938533), (45, 3959022), (54, 3299185), (58, 3071655), (61, 2920590), (87, 2047770), (90, 1979511), (122, 1460295), (135, 1319674), (145, 1228662), (174, 1023885), (183, 973530), (261, 682590), (270, 659837), (290, 614331), (305, 584118), (366, 486765), (373, 477630), (435, 409554), (522, 341295), (549, 324510), (610, 292059), (746, 238815), (783, 227530), (870, 204777), (915, 194706), (1098, 162255), (1119, 159210), (1305, 136518), (1566, 113765), (1647, 108170), (1769, 100710), (1830, 97353), (1865, 95526), (2238, 79605), (2610, 68259), (2745, 64902), (3294, 54085), (3357, 53070), (3538, 50355), (3730, 47763), (3915, 45506), (5307, 33570), (5490, 32451), (5595, 31842), (6714, 26535), (7830, 22753), (8235, 21634), (8845, 20142), (10071, 17690), (10614, 16785), (10817, 16470), (11190, 15921)]