216951840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21523}}^1$

素因数の和:21551

約数の個数: 144

約数和(自身を含む): 846151488

約数和(自身を除く): 629199648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21523, 43046, 64569, 86092, 107615, 129138, 150661, 172184, 193707, 215230, 258276, 301322, 322845, 344368, 387414, 430460, 451983, 516552, 602644, 645690, 688736, 753305, 774828, 860920, 903966, 968535, 1033104, 1205288, 1291380, 1355949, 1506610, 1549656, 1721840, 1807932, 1937070, 2066208, 2259915, 2410576, 2582760, 2711898, 3013220, 3099312, 3443680, 3615864, 3874140, 4519830, 4821152, 5165520, 5423796, 6026440, 6198624, 6779745, 7231728, 7748280, 9039660, 10331040, 10847592, 12052880, 13559490, 14463456, 15496560, 18079320, 21695184, 24105760, 27118980, 30993120, 36158640, 43390368, 54237960, 72317280, 108475920, 216951840]

約数ペア:

[(1, 216951840), (2, 108475920), (3, 72317280), (4, 54237960), (5, 43390368), (6, 36158640), (7, 30993120), (8, 27118980), (9, 24105760), (10, 21695184), (12, 18079320), (14, 15496560), (15, 14463456), (16, 13559490), (18, 12052880), (20, 10847592), (21, 10331040), (24, 9039660), (28, 7748280), (30, 7231728), (32, 6779745), (35, 6198624), (36, 6026440), (40, 5423796), (42, 5165520), (45, 4821152), (48, 4519830), (56, 3874140), (60, 3615864), (63, 3443680), (70, 3099312), (72, 3013220), (80, 2711898), (84, 2582760), (90, 2410576), (96, 2259915), (105, 2066208), (112, 1937070), (120, 1807932), (126, 1721840), (140, 1549656), (144, 1506610), (160, 1355949), (168, 1291380), (180, 1205288), (210, 1033104), (224, 968535), (240, 903966), (252, 860920), (280, 774828), (288, 753305), (315, 688736), (336, 645690), (360, 602644), (420, 516552), (480, 451983), (504, 430460), (560, 387414), (630, 344368), (672, 322845), (720, 301322), (840, 258276), (1008, 215230), (1120, 193707), (1260, 172184), (1440, 150661), (1680, 129138), (2016, 107615), (2520, 86092), (3360, 64569), (5040, 43046), (10080, 21523)]