221185440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21943}}^1$

素因数の和:21971

約数の個数: 144

約数和(自身を含む): 862662528

約数和(自身を除く): 641477088

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, 21943, 43886, 65829, 87772, 109715, 131658, 153601, 175544, 197487, 219430, 263316, 307202, 329145, 351088, 394974, 438860, 460803, 526632, 614404, 658290, 702176, 768005, 789948, 877720, 921606, 987435, 1053264, 1228808, 1316580, 1382409, 1536010, 1579896, 1755440, 1843212, 1974870, 2106528, 2304015, 2457616, 2633160, 2764818, 3072020, 3159792, 3510880, 3686424, 3949740, 4608030, 4915232, 5266320, 5529636, 6144040, 6319584, 6912045, 7372848, 7899480, 9216060, 10532640, 11059272, 12288080, 13824090, 14745696, 15798960, 18432120, 22118544, 24576160, 27648180, 31597920, 36864240, 44237088, 55296360, 73728480, 110592720, 221185440]

約数ペア:

[(1, 221185440), (2, 110592720), (3, 73728480), (4, 55296360), (5, 44237088), (6, 36864240), (7, 31597920), (8, 27648180), (9, 24576160), (10, 22118544), (12, 18432120), (14, 15798960), (15, 14745696), (16, 13824090), (18, 12288080), (20, 11059272), (21, 10532640), (24, 9216060), (28, 7899480), (30, 7372848), (32, 6912045), (35, 6319584), (36, 6144040), (40, 5529636), (42, 5266320), (45, 4915232), (48, 4608030), (56, 3949740), (60, 3686424), (63, 3510880), (70, 3159792), (72, 3072020), (80, 2764818), (84, 2633160), (90, 2457616), (96, 2304015), (105, 2106528), (112, 1974870), (120, 1843212), (126, 1755440), (140, 1579896), (144, 1536010), (160, 1382409), (168, 1316580), (180, 1228808), (210, 1053264), (224, 987435), (240, 921606), (252, 877720), (280, 789948), (288, 768005), (315, 702176), (336, 658290), (360, 614404), (420, 526632), (480, 460803), (504, 438860), (560, 394974), (630, 351088), (672, 329145), (720, 307202), (840, 263316), (1008, 219430), (1120, 197487), (1260, 175544), (1440, 153601), (1680, 131658), (2016, 109715), (2520, 87772), (3360, 65829), (5040, 43886), (10080, 21943)]