82171980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 278014464

約数和(自身を除く): 195842484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 330, 396, 423, 470, 495, 517, 564, 660, 705, 846, 883, 940, 990, 1034, 1410, 1551, 1692, 1766, 1980, 2068, 2115, 2585, 2649, 2820, 3102, 3532, 4230, 4415, 4653, 5170, 5298, 6204, 7755, 7947, 8460, 8830, 9306, 9713, 10340, 10596, 13245, 15510, 15894, 17660, 18612, 19426, 23265, 26490, 29139, 31020, 31788, 38852, 39735, 41501, 46530, 48565, 52980, 58278, 79470, 83002, 87417, 93060, 97130, 116556, 124503, 145695, 158940, 166004, 174834, 194260, 207505, 249006, 291390, 349668, 373509, 415010, 437085, 456511, 498012, 582780, 622515, 747018, 830020, 874170, 913022, 1245030, 1369533, 1494036, 1748340, 1826044, 1867545, 2282555, 2490060, 2739066, 3735090, 4108599, 4565110, 5478132, 6847665, 7470180, 8217198, 9130220, 13695330, 16434396, 20542995, 27390660, 41085990, 82171980]

約数ペア:

[(1, 82171980), (2, 41085990), (3, 27390660), (4, 20542995), (5, 16434396), (6, 13695330), (9, 9130220), (10, 8217198), (11, 7470180), (12, 6847665), (15, 5478132), (18, 4565110), (20, 4108599), (22, 3735090), (30, 2739066), (33, 2490060), (36, 2282555), (44, 1867545), (45, 1826044), (47, 1748340), (55, 1494036), (60, 1369533), (66, 1245030), (90, 913022), (94, 874170), (99, 830020), (110, 747018), (132, 622515), (141, 582780), (165, 498012), (180, 456511), (188, 437085), (198, 415010), (220, 373509), (235, 349668), (282, 291390), (330, 249006), (396, 207505), (423, 194260), (470, 174834), (495, 166004), (517, 158940), (564, 145695), (660, 124503), (705, 116556), (846, 97130), (883, 93060), (940, 87417), (990, 83002), (1034, 79470), (1410, 58278), (1551, 52980), (1692, 48565), (1766, 46530), (1980, 41501), (2068, 39735), (2115, 38852), (2585, 31788), (2649, 31020), (2820, 29139), (3102, 26490), (3532, 23265), (4230, 19426), (4415, 18612), (4653, 17660), (5170, 15894), (5298, 15510), (6204, 13245), (7755, 10596), (7947, 10340), (8460, 9713), (8830, 9306)]