212471520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 702535680

約数和(自身を除く): 490064160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 109, 120, 124, 131, 155, 160, 186, 218, 240, 248, 262, 310, 327, 372, 393, 436, 465, 480, 496, 524, 545, 620, 654, 655, 744, 786, 872, 930, 992, 1048, 1090, 1240, 1308, 1310, 1488, 1572, 1635, 1744, 1860, 1965, 2096, 2180, 2480, 2616, 2620, 2976, 3144, 3270, 3379, 3488, 3720, 3930, 4061, 4192, 4360, 4960, 5232, 5240, 6288, 6540, 6758, 7440, 7860, 8122, 8720, 10137, 10464, 10480, 12183, 12576, 13080, 13516, 14279, 14880, 15720, 16244, 16895, 17440, 20274, 20305, 20960, 24366, 26160, 27032, 28558, 31440, 32488, 33790, 40548, 40610, 42837, 48732, 50685, 52320, 54064, 57116, 60915, 62880, 64976, 67580, 71395, 81096, 81220, 85674, 97464, 101370, 108128, 114232, 121830, 129952, 135160, 142790, 162192, 162440, 171348, 194928, 202740, 214185, 228464, 243660, 270320, 285580, 324384, 324880, 342696, 389856, 405480, 428370, 442649, 456928, 487320, 540640, 571160, 649760, 685392, 810960, 856740, 885298, 974640, 1142320, 1327947, 1370784, 1621920, 1713480, 1770596, 1949280, 2213245, 2284640, 2655894, 3426960, 3541192, 4426490, 5311788, 6639735, 6853920, 7082384, 8852980, 10623576, 13279470, 14164768, 17705960, 21247152, 26558940, 35411920, 42494304, 53117880, 70823840, 106235760, 212471520]

約数ペア:

[(1, 212471520), (2, 106235760), (3, 70823840), (4, 53117880), (5, 42494304), (6, 35411920), (8, 26558940), (10, 21247152), (12, 17705960), (15, 14164768), (16, 13279470), (20, 10623576), (24, 8852980), (30, 7082384), (31, 6853920), (32, 6639735), (40, 5311788), (48, 4426490), (60, 3541192), (62, 3426960), (80, 2655894), (93, 2284640), (96, 2213245), (109, 1949280), (120, 1770596), (124, 1713480), (131, 1621920), (155, 1370784), (160, 1327947), (186, 1142320), (218, 974640), (240, 885298), (248, 856740), (262, 810960), (310, 685392), (327, 649760), (372, 571160), (393, 540640), (436, 487320), (465, 456928), (480, 442649), (496, 428370), (524, 405480), (545, 389856), (620, 342696), (654, 324880), (655, 324384), (744, 285580), (786, 270320), (872, 243660), (930, 228464), (992, 214185), (1048, 202740), (1090, 194928), (1240, 171348), (1308, 162440), (1310, 162192), (1488, 142790), (1572, 135160), (1635, 129952), (1744, 121830), (1860, 114232), (1965, 108128), (2096, 101370), (2180, 97464), (2480, 85674), (2616, 81220), (2620, 81096), (2976, 71395), (3144, 67580), (3270, 64976), (3379, 62880), (3488, 60915), (3720, 57116), (3930, 54064), (4061, 52320), (4192, 50685), (4360, 48732), (4960, 42837), (5232, 40610), (5240, 40548), (6288, 33790), (6540, 32488), (6758, 31440), (7440, 28558), (7860, 27032), (8122, 26160), (8720, 24366), (10137, 20960), (10464, 20305), (10480, 20274), (12183, 17440), (12576, 16895), (13080, 16244), (13516, 15720), (14279, 14880)]