219888480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9349}}^1$

素因数の和:9381

約数の個数: 144

約数和(自身を含む): 805820400

約数和(自身を除く): 585931920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9349, 11760, 18698, 23520, 28047, 37396, 46745, 56094, 65443, 74792, 93490, 112188, 130886, 140235, 149584, 186980, 196329, 224376, 261772, 280470, 299168, 327215, 373960, 392658, 448752, 458101, 523544, 560940, 654430, 747920, 785316, 897504, 916202, 981645, 1047088, 1121880, 1308860, 1374303, 1495840, 1570632, 1832404, 1963290, 2094176, 2243760, 2290505, 2617720, 2748606, 3141264, 3664808, 3926580, 4487520, 4581010, 5235440, 5497212, 6282528, 6871515, 7329616, 7853160, 9162020, 10470880, 10994424, 13743030, 14659232, 15706320, 18324040, 21988848, 27486060, 31412640, 36648080, 43977696, 54972120, 73296160, 109944240, 219888480]

約数ペア:

[(1, 219888480), (2, 109944240), (3, 73296160), (4, 54972120), (5, 43977696), (6, 36648080), (7, 31412640), (8, 27486060), (10, 21988848), (12, 18324040), (14, 15706320), (15, 14659232), (16, 13743030), (20, 10994424), (21, 10470880), (24, 9162020), (28, 7853160), (30, 7329616), (32, 6871515), (35, 6282528), (40, 5497212), (42, 5235440), (48, 4581010), (49, 4487520), (56, 3926580), (60, 3664808), (70, 3141264), (80, 2748606), (84, 2617720), (96, 2290505), (98, 2243760), (105, 2094176), (112, 1963290), (120, 1832404), (140, 1570632), (147, 1495840), (160, 1374303), (168, 1308860), (196, 1121880), (210, 1047088), (224, 981645), (240, 916202), (245, 897504), (280, 785316), (294, 747920), (336, 654430), (392, 560940), (420, 523544), (480, 458101), (490, 448752), (560, 392658), (588, 373960), (672, 327215), (735, 299168), (784, 280470), (840, 261772), (980, 224376), (1120, 196329), (1176, 186980), (1470, 149584), (1568, 140235), (1680, 130886), (1960, 112188), (2352, 93490), (2940, 74792), (3360, 65443), (3920, 56094), (4704, 46745), (5880, 37396), (7840, 28047), (9349, 23520), (11760, 18698)]