85180040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 230169600

約数和(自身を除く): 144989560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 418, 437, 440, 443, 460, 506, 760, 836, 874, 886, 920, 1012, 1045, 1265, 1672, 1748, 1772, 2024, 2090, 2185, 2215, 2530, 3496, 3544, 4180, 4370, 4430, 4807, 4873, 5060, 8360, 8417, 8740, 8860, 9614, 9746, 10120, 10189, 16834, 17480, 17720, 19228, 19492, 20378, 24035, 24365, 33668, 38456, 38984, 40756, 42085, 48070, 48730, 50945, 67336, 81512, 84170, 92587, 96140, 97460, 101890, 112079, 168340, 185174, 192280, 193591, 194920, 203780, 224158, 336680, 370348, 387182, 407560, 448316, 462935, 560395, 740696, 774364, 896632, 925870, 967955, 1120790, 1548728, 1851740, 1935910, 2129501, 2241580, 3703480, 3871820, 4259002, 4483160, 7743640, 8518004, 10647505, 17036008, 21295010, 42590020, 85180040]

約数ペア:

[(1, 85180040), (2, 42590020), (4, 21295010), (5, 17036008), (8, 10647505), (10, 8518004), (11, 7743640), (19, 4483160), (20, 4259002), (22, 3871820), (23, 3703480), (38, 2241580), (40, 2129501), (44, 1935910), (46, 1851740), (55, 1548728), (76, 1120790), (88, 967955), (92, 925870), (95, 896632), (110, 774364), (115, 740696), (152, 560395), (184, 462935), (190, 448316), (209, 407560), (220, 387182), (230, 370348), (253, 336680), (380, 224158), (418, 203780), (437, 194920), (440, 193591), (443, 192280), (460, 185174), (506, 168340), (760, 112079), (836, 101890), (874, 97460), (886, 96140), (920, 92587), (1012, 84170), (1045, 81512), (1265, 67336), (1672, 50945), (1748, 48730), (1772, 48070), (2024, 42085), (2090, 40756), (2185, 38984), (2215, 38456), (2530, 33668), (3496, 24365), (3544, 24035), (4180, 20378), (4370, 19492), (4430, 19228), (4807, 17720), (4873, 17480), (5060, 16834), (8360, 10189), (8417, 10120), (8740, 9746), (8860, 9614)]