82028320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 143199200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 223, 242, 304, 352, 380, 418, 440, 446, 484, 605, 608, 760, 836, 880, 892, 968, 1045, 1115, 1210, 1520, 1672, 1760, 1784, 1936, 2090, 2230, 2299, 2420, 2453, 3040, 3344, 3568, 3872, 4180, 4237, 4460, 4598, 4840, 4906, 6688, 7136, 8360, 8474, 8920, 9196, 9680, 9812, 11495, 12265, 16720, 16948, 17840, 18392, 19360, 19624, 21185, 22990, 24530, 26983, 33440, 33896, 35680, 36784, 39248, 42370, 45980, 46607, 49060, 53966, 67792, 73568, 78496, 84740, 91960, 93214, 98120, 107932, 134915, 135584, 169480, 183920, 186428, 196240, 215864, 233035, 269830, 338960, 367840, 372856, 392480, 431728, 466070, 512677, 539660, 677920, 745712, 863456, 932140, 1025354, 1079320, 1491424, 1864280, 2050708, 2158640, 2563385, 3728560, 4101416, 4317280, 5126770, 7457120, 8202832, 10253540, 16405664, 20507080, 41014160, 82028320]

約数ペア:

[(1, 82028320), (2, 41014160), (4, 20507080), (5, 16405664), (8, 10253540), (10, 8202832), (11, 7457120), (16, 5126770), (19, 4317280), (20, 4101416), (22, 3728560), (32, 2563385), (38, 2158640), (40, 2050708), (44, 1864280), (55, 1491424), (76, 1079320), (80, 1025354), (88, 932140), (95, 863456), (110, 745712), (121, 677920), (152, 539660), (160, 512677), (176, 466070), (190, 431728), (209, 392480), (220, 372856), (223, 367840), (242, 338960), (304, 269830), (352, 233035), (380, 215864), (418, 196240), (440, 186428), (446, 183920), (484, 169480), (605, 135584), (608, 134915), (760, 107932), (836, 98120), (880, 93214), (892, 91960), (968, 84740), (1045, 78496), (1115, 73568), (1210, 67792), (1520, 53966), (1672, 49060), (1760, 46607), (1784, 45980), (1936, 42370), (2090, 39248), (2230, 36784), (2299, 35680), (2420, 33896), (2453, 33440), (3040, 26983), (3344, 24530), (3568, 22990), (3872, 21185), (4180, 19624), (4237, 19360), (4460, 18392), (4598, 17840), (4840, 16948), (4906, 16720), (6688, 12265), (7136, 11495), (8360, 9812), (8474, 9680), (8920, 9196)]