71788860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2828

約数の個数: 144

約数和(自身を含む): 255921120

約数和(自身を除く): 184132260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2789, 2860, 4290, 5148, 5578, 6435, 8367, 8580, 11156, 12870, 13945, 16734, 25101, 25740, 27890, 30679, 33468, 36257, 41835, 50202, 55780, 61358, 72514, 83670, 92037, 100404, 108771, 122716, 125505, 145028, 153395, 167340, 181285, 184074, 217542, 251010, 276111, 306790, 326313, 362570, 368148, 398827, 435084, 460185, 502020, 543855, 552222, 613580, 652626, 725140, 797654, 920370, 1087710, 1104444, 1196481, 1305252, 1380555, 1595308, 1631565, 1840740, 1994135, 2175420, 2392962, 2761110, 3263130, 3589443, 3988270, 4785924, 5522220, 5982405, 6526260, 7178886, 7976540, 11964810, 14357772, 17947215, 23929620, 35894430, 71788860]

約数ペア:

[(1, 71788860), (2, 35894430), (3, 23929620), (4, 17947215), (5, 14357772), (6, 11964810), (9, 7976540), (10, 7178886), (11, 6526260), (12, 5982405), (13, 5522220), (15, 4785924), (18, 3988270), (20, 3589443), (22, 3263130), (26, 2761110), (30, 2392962), (33, 2175420), (36, 1994135), (39, 1840740), (44, 1631565), (45, 1595308), (52, 1380555), (55, 1305252), (60, 1196481), (65, 1104444), (66, 1087710), (78, 920370), (90, 797654), (99, 725140), (110, 652626), (117, 613580), (130, 552222), (132, 543855), (143, 502020), (156, 460185), (165, 435084), (180, 398827), (195, 368148), (198, 362570), (220, 326313), (234, 306790), (260, 276111), (286, 251010), (330, 217542), (390, 184074), (396, 181285), (429, 167340), (468, 153395), (495, 145028), (572, 125505), (585, 122716), (660, 108771), (715, 100404), (780, 92037), (858, 83670), (990, 72514), (1170, 61358), (1287, 55780), (1430, 50202), (1716, 41835), (1980, 36257), (2145, 33468), (2340, 30679), (2574, 27890), (2789, 25740), (2860, 25101), (4290, 16734), (5148, 13945), (5578, 12870), (6435, 11156), (8367, 8580)]