31907400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 115706880

約数和(自身を除く): 83799480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 71, 75, 84, 100, 105, 107, 120, 140, 142, 150, 168, 175, 200, 210, 213, 214, 280, 284, 300, 321, 350, 355, 420, 426, 428, 497, 525, 535, 568, 600, 642, 700, 710, 749, 840, 852, 856, 994, 1050, 1065, 1070, 1284, 1400, 1420, 1491, 1498, 1605, 1704, 1775, 1988, 2100, 2130, 2140, 2247, 2485, 2568, 2675, 2840, 2982, 2996, 3210, 3550, 3745, 3976, 4200, 4260, 4280, 4494, 4970, 5325, 5350, 5964, 5992, 6420, 7100, 7455, 7490, 7597, 8025, 8520, 8988, 9940, 10650, 10700, 11235, 11928, 12425, 12840, 14200, 14910, 14980, 15194, 16050, 17976, 18725, 19880, 21300, 21400, 22470, 22791, 24850, 29820, 29960, 30388, 32100, 37275, 37450, 37985, 42600, 44940, 45582, 49700, 53179, 56175, 59640, 60776, 64200, 74550, 74900, 75970, 89880, 91164, 99400, 106358, 112350, 113955, 149100, 149800, 151940, 159537, 182328, 189925, 212716, 224700, 227910, 265895, 298200, 303880, 319074, 379850, 425432, 449400, 455820, 531790, 569775, 638148, 759700, 797685, 911640, 1063580, 1139550, 1276296, 1329475, 1519400, 1595370, 2127160, 2279100, 2658950, 3190740, 3988425, 4558200, 5317900, 6381480, 7976850, 10635800, 15953700, 31907400]

約数ペア:

[(1, 31907400), (2, 15953700), (3, 10635800), (4, 7976850), (5, 6381480), (6, 5317900), (7, 4558200), (8, 3988425), (10, 3190740), (12, 2658950), (14, 2279100), (15, 2127160), (20, 1595370), (21, 1519400), (24, 1329475), (25, 1276296), (28, 1139550), (30, 1063580), (35, 911640), (40, 797685), (42, 759700), (50, 638148), (56, 569775), (60, 531790), (70, 455820), (71, 449400), (75, 425432), (84, 379850), (100, 319074), (105, 303880), (107, 298200), (120, 265895), (140, 227910), (142, 224700), (150, 212716), (168, 189925), (175, 182328), (200, 159537), (210, 151940), (213, 149800), (214, 149100), (280, 113955), (284, 112350), (300, 106358), (321, 99400), (350, 91164), (355, 89880), (420, 75970), (426, 74900), (428, 74550), (497, 64200), (525, 60776), (535, 59640), (568, 56175), (600, 53179), (642, 49700), (700, 45582), (710, 44940), (749, 42600), (840, 37985), (852, 37450), (856, 37275), (994, 32100), (1050, 30388), (1065, 29960), (1070, 29820), (1284, 24850), (1400, 22791), (1420, 22470), (1491, 21400), (1498, 21300), (1605, 19880), (1704, 18725), (1775, 17976), (1988, 16050), (2100, 15194), (2130, 14980), (2140, 14910), (2247, 14200), (2485, 12840), (2568, 12425), (2675, 11928), (2840, 11235), (2982, 10700), (2996, 10650), (3210, 9940), (3550, 8988), (3745, 8520), (3976, 8025), (4200, 7597), (4260, 7490), (4280, 7455), (4494, 7100), (4970, 6420), (5325, 5992), (5350, 5964)]