61827220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 170529408

約数和(自身を除く): 108702188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 211, 230, 245, 260, 299, 322, 364, 422, 455, 460, 490, 598, 637, 644, 805, 844, 910, 980, 1055, 1127, 1196, 1274, 1477, 1495, 1610, 1820, 2093, 2110, 2254, 2548, 2743, 2954, 2990, 3185, 3220, 4186, 4220, 4508, 4853, 5486, 5635, 5908, 5980, 6370, 7385, 8372, 9706, 10339, 10465, 10972, 11270, 12740, 13715, 14651, 14770, 19201, 19412, 20678, 20930, 22540, 24265, 27430, 29302, 29540, 33971, 38402, 41356, 41860, 48530, 51695, 54860, 58604, 63089, 67942, 73255, 76804, 96005, 97060, 103390, 126178, 134407, 135884, 146510, 169855, 192010, 206780, 237797, 252356, 268814, 293020, 315445, 339710, 384020, 441623, 475594, 537628, 630890, 672035, 679420, 883246, 951188, 1188985, 1261780, 1344070, 1766492, 2208115, 2377970, 2688140, 3091361, 4416230, 4755940, 6182722, 8832460, 12365444, 15456805, 30913610, 61827220]

約数ペア:

[(1, 61827220), (2, 30913610), (4, 15456805), (5, 12365444), (7, 8832460), (10, 6182722), (13, 4755940), (14, 4416230), (20, 3091361), (23, 2688140), (26, 2377970), (28, 2208115), (35, 1766492), (46, 1344070), (49, 1261780), (52, 1188985), (65, 951188), (70, 883246), (91, 679420), (92, 672035), (98, 630890), (115, 537628), (130, 475594), (140, 441623), (161, 384020), (182, 339710), (196, 315445), (211, 293020), (230, 268814), (245, 252356), (260, 237797), (299, 206780), (322, 192010), (364, 169855), (422, 146510), (455, 135884), (460, 134407), (490, 126178), (598, 103390), (637, 97060), (644, 96005), (805, 76804), (844, 73255), (910, 67942), (980, 63089), (1055, 58604), (1127, 54860), (1196, 51695), (1274, 48530), (1477, 41860), (1495, 41356), (1610, 38402), (1820, 33971), (2093, 29540), (2110, 29302), (2254, 27430), (2548, 24265), (2743, 22540), (2954, 20930), (2990, 20678), (3185, 19412), (3220, 19201), (4186, 14770), (4220, 14651), (4508, 13715), (4853, 12740), (5486, 11270), (5635, 10972), (5908, 10465), (5980, 10339), (6370, 9706), (7385, 8372)]