31937220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 124104960

約数和(自身を除く): 92167740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 49, 51, 54, 60, 63, 68, 70, 71, 84, 85, 90, 98, 102, 105, 108, 119, 126, 135, 140, 142, 147, 153, 170, 180, 189, 196, 204, 210, 213, 238, 245, 252, 255, 270, 284, 294, 306, 315, 340, 355, 357, 378, 420, 426, 441, 459, 476, 490, 497, 510, 540, 588, 595, 612, 630, 639, 710, 714, 735, 756, 765, 833, 852, 882, 918, 945, 980, 994, 1020, 1065, 1071, 1190, 1207, 1260, 1278, 1323, 1420, 1428, 1470, 1491, 1530, 1666, 1764, 1785, 1836, 1890, 1917, 1988, 2130, 2142, 2205, 2295, 2380, 2414, 2485, 2499, 2556, 2646, 2940, 2982, 3060, 3195, 3213, 3332, 3479, 3570, 3621, 3780, 3834, 4165, 4260, 4284, 4410, 4473, 4590, 4828, 4970, 4998, 5292, 5355, 5964, 6035, 6390, 6426, 6615, 6958, 7140, 7242, 7455, 7497, 7668, 8330, 8449, 8820, 8946, 9180, 9585, 9940, 9996, 10437, 10710, 10863, 12070, 12495, 12780, 12852, 13230, 13419, 13916, 14484, 14910, 14994, 16065, 16660, 16898, 17395, 17892, 18105, 19170, 20874, 21420, 21726, 22365, 22491, 24140, 24990, 25347, 26460, 26838, 29820, 29988, 31311, 32130, 32589, 33796, 34790, 36210, 37485, 38340, 41748, 42245, 43452, 44730, 44982, 49980, 50694, 52185, 53676, 54315, 59143, 62622, 64260, 65178, 67095, 69580, 72420, 74970, 76041, 84490, 89460, 89964, 93933, 101388, 104370, 108630, 112455, 118286, 125244, 126735, 130356, 134190, 149940, 152082, 156555, 162945, 168980, 177429, 187866, 208740, 217260, 224910, 228123, 236572, 253470, 268380, 295715, 304164, 313110, 325890, 354858, 375732, 380205, 449820, 456246, 469665, 506940, 532287, 591430, 626220, 651780, 709716, 760410, 887145, 912492, 939330, 1064574, 1140615, 1182860, 1520820, 1596861, 1774290, 1878660, 2129148, 2281230, 2661435, 3193722, 3548580, 4562460, 5322870, 6387444, 7984305, 10645740, 15968610, 31937220]

約数ペア:

[(1, 31937220), (2, 15968610), (3, 10645740), (4, 7984305), (5, 6387444), (6, 5322870), (7, 4562460), (9, 3548580), (10, 3193722), (12, 2661435), (14, 2281230), (15, 2129148), (17, 1878660), (18, 1774290), (20, 1596861), (21, 1520820), (27, 1182860), (28, 1140615), (30, 1064574), (34, 939330), (35, 912492), (36, 887145), (42, 760410), (45, 709716), (49, 651780), (51, 626220), (54, 591430), (60, 532287), (63, 506940), (68, 469665), (70, 456246), (71, 449820), (84, 380205), (85, 375732), (90, 354858), (98, 325890), (102, 313110), (105, 304164), (108, 295715), (119, 268380), (126, 253470), (135, 236572), (140, 228123), (142, 224910), (147, 217260), (153, 208740), (170, 187866), (180, 177429), (189, 168980), (196, 162945), (204, 156555), (210, 152082), (213, 149940), (238, 134190), (245, 130356), (252, 126735), (255, 125244), (270, 118286), (284, 112455), (294, 108630), (306, 104370), (315, 101388), (340, 93933), (355, 89964), (357, 89460), (378, 84490), (420, 76041), (426, 74970), (441, 72420), (459, 69580), (476, 67095), (490, 65178), (497, 64260), (510, 62622), (540, 59143), (588, 54315), (595, 53676), (612, 52185), (630, 50694), (639, 49980), (710, 44982), (714, 44730), (735, 43452), (756, 42245), (765, 41748), (833, 38340), (852, 37485), (882, 36210), (918, 34790), (945, 33796), (980, 32589), (994, 32130), (1020, 31311), (1065, 29988), (1071, 29820), (1190, 26838), (1207, 26460), (1260, 25347), (1278, 24990), (1323, 24140), (1420, 22491), (1428, 22365), (1470, 21726), (1491, 21420), (1530, 20874), (1666, 19170), (1764, 18105), (1785, 17892), (1836, 17395), (1890, 16898), (1917, 16660), (1988, 16065), (2130, 14994), (2142, 14910), (2205, 14484), (2295, 13916), (2380, 13419), (2414, 13230), (2485, 12852), (2499, 12780), (2556, 12495), (2646, 12070), (2940, 10863), (2982, 10710), (3060, 10437), (3195, 9996), (3213, 9940), (3332, 9585), (3479, 9180), (3570, 8946), (3621, 8820), (3780, 8449), (3834, 8330), (4165, 7668), (4260, 7497), (4284, 7455), (4410, 7242), (4473, 7140), (4590, 6958), (4828, 6615), (4970, 6426), (4998, 6390), (5292, 6035), (5355, 5964)]