81958140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 282338784

約数和(自身を除く): 200380644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 71, 90, 99, 106, 110, 121, 132, 142, 159, 165, 180, 198, 212, 213, 220, 242, 265, 284, 318, 330, 355, 363, 396, 426, 477, 484, 495, 530, 583, 605, 636, 639, 660, 710, 726, 781, 795, 852, 954, 990, 1060, 1065, 1089, 1166, 1210, 1278, 1420, 1452, 1562, 1590, 1749, 1815, 1908, 1980, 2130, 2178, 2332, 2343, 2385, 2420, 2556, 2915, 3124, 3180, 3195, 3498, 3630, 3763, 3905, 4260, 4356, 4686, 4770, 5247, 5445, 5830, 6390, 6413, 6996, 7029, 7260, 7526, 7810, 8591, 8745, 9372, 9540, 10494, 10890, 11289, 11660, 11715, 12780, 12826, 14058, 15052, 15620, 17182, 17490, 18815, 19239, 20988, 21780, 22578, 23430, 25652, 25773, 26235, 28116, 32065, 33867, 34364, 34980, 35145, 37630, 38478, 41393, 42955, 45156, 46860, 51546, 52470, 56445, 57717, 64130, 67734, 70290, 75260, 76956, 77319, 82786, 85910, 96195, 103092, 104940, 112890, 115434, 124179, 128260, 128865, 135468, 140580, 154638, 165572, 169335, 171820, 192390, 206965, 225780, 230868, 248358, 257730, 288585, 309276, 338670, 372537, 384780, 386595, 413930, 455323, 496716, 515460, 577170, 620895, 677340, 745074, 773190, 827860, 910646, 1154340, 1241790, 1365969, 1490148, 1546380, 1821292, 1862685, 2276615, 2483580, 2731938, 3725370, 4097907, 4553230, 5463876, 6829845, 7450740, 8195814, 9106460, 13659690, 16391628, 20489535, 27319380, 40979070, 81958140]

約数ペア:

[(1, 81958140), (2, 40979070), (3, 27319380), (4, 20489535), (5, 16391628), (6, 13659690), (9, 9106460), (10, 8195814), (11, 7450740), (12, 6829845), (15, 5463876), (18, 4553230), (20, 4097907), (22, 3725370), (30, 2731938), (33, 2483580), (36, 2276615), (44, 1862685), (45, 1821292), (53, 1546380), (55, 1490148), (60, 1365969), (66, 1241790), (71, 1154340), (90, 910646), (99, 827860), (106, 773190), (110, 745074), (121, 677340), (132, 620895), (142, 577170), (159, 515460), (165, 496716), (180, 455323), (198, 413930), (212, 386595), (213, 384780), (220, 372537), (242, 338670), (265, 309276), (284, 288585), (318, 257730), (330, 248358), (355, 230868), (363, 225780), (396, 206965), (426, 192390), (477, 171820), (484, 169335), (495, 165572), (530, 154638), (583, 140580), (605, 135468), (636, 128865), (639, 128260), (660, 124179), (710, 115434), (726, 112890), (781, 104940), (795, 103092), (852, 96195), (954, 85910), (990, 82786), (1060, 77319), (1065, 76956), (1089, 75260), (1166, 70290), (1210, 67734), (1278, 64130), (1420, 57717), (1452, 56445), (1562, 52470), (1590, 51546), (1749, 46860), (1815, 45156), (1908, 42955), (1980, 41393), (2130, 38478), (2178, 37630), (2332, 35145), (2343, 34980), (2385, 34364), (2420, 33867), (2556, 32065), (2915, 28116), (3124, 26235), (3180, 25773), (3195, 25652), (3498, 23430), (3630, 22578), (3763, 21780), (3905, 20988), (4260, 19239), (4356, 18815), (4686, 17490), (4770, 17182), (5247, 15620), (5445, 15052), (5830, 14058), (6390, 12826), (6413, 12780), (6996, 11715), (7029, 11660), (7260, 11289), (7526, 10890), (7810, 10494), (8591, 9540), (8745, 9372)]