215305440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 192

約数和(自身を含む): 782369280

約数和(自身を除く): 567063840

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, 56, 60, 70, 80, 84, 96, 105, 112, 120, 139, 140, 160, 168, 210, 224, 240, 278, 280, 336, 417, 420, 461, 480, 556, 560, 672, 695, 834, 840, 922, 973, 1112, 1120, 1383, 1390, 1668, 1680, 1844, 1946, 2085, 2224, 2305, 2766, 2780, 2919, 3227, 3336, 3360, 3688, 3892, 4170, 4448, 4610, 4865, 5532, 5560, 5838, 6454, 6672, 6915, 7376, 7784, 8340, 9220, 9681, 9730, 11064, 11120, 11676, 12908, 13344, 13830, 14595, 14752, 15568, 16135, 16680, 18440, 19362, 19460, 22128, 22240, 23352, 25816, 27660, 29190, 31136, 32270, 33360, 36880, 38724, 38920, 44256, 46704, 48405, 51632, 55320, 58380, 64079, 64540, 66720, 73760, 77448, 77840, 93408, 96810, 103264, 110640, 116760, 128158, 129080, 154896, 155680, 192237, 193620, 221280, 233520, 256316, 258160, 309792, 320395, 384474, 387240, 448553, 467040, 512632, 516320, 640790, 768948, 774480, 897106, 961185, 1025264, 1281580, 1345659, 1537896, 1548960, 1794212, 1922370, 2050528, 2242765, 2563160, 2691318, 3075792, 3588424, 3844740, 4485530, 5126320, 5382636, 6151584, 6728295, 7176848, 7689480, 8971060, 10252640, 10765272, 13456590, 14353696, 15378960, 17942120, 21530544, 26913180, 30757920, 35884240, 43061088, 53826360, 71768480, 107652720, 215305440]

約数ペア:

[(1, 215305440), (2, 107652720), (3, 71768480), (4, 53826360), (5, 43061088), (6, 35884240), (7, 30757920), (8, 26913180), (10, 21530544), (12, 17942120), (14, 15378960), (15, 14353696), (16, 13456590), (20, 10765272), (21, 10252640), (24, 8971060), (28, 7689480), (30, 7176848), (32, 6728295), (35, 6151584), (40, 5382636), (42, 5126320), (48, 4485530), (56, 3844740), (60, 3588424), (70, 3075792), (80, 2691318), (84, 2563160), (96, 2242765), (105, 2050528), (112, 1922370), (120, 1794212), (139, 1548960), (140, 1537896), (160, 1345659), (168, 1281580), (210, 1025264), (224, 961185), (240, 897106), (278, 774480), (280, 768948), (336, 640790), (417, 516320), (420, 512632), (461, 467040), (480, 448553), (556, 387240), (560, 384474), (672, 320395), (695, 309792), (834, 258160), (840, 256316), (922, 233520), (973, 221280), (1112, 193620), (1120, 192237), (1383, 155680), (1390, 154896), (1668, 129080), (1680, 128158), (1844, 116760), (1946, 110640), (2085, 103264), (2224, 96810), (2305, 93408), (2766, 77840), (2780, 77448), (2919, 73760), (3227, 66720), (3336, 64540), (3360, 64079), (3688, 58380), (3892, 55320), (4170, 51632), (4448, 48405), (4610, 46704), (4865, 44256), (5532, 38920), (5560, 38724), (5838, 36880), (6454, 33360), (6672, 32270), (6915, 31136), (7376, 29190), (7784, 27660), (8340, 25816), (9220, 23352), (9681, 22240), (9730, 22128), (11064, 19460), (11120, 19362), (11676, 18440), (12908, 16680), (13344, 16135), (13830, 15568), (14595, 14752)]