1728541640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{7411}}^1$

素因数の和:7460

約数の個数: 128

約数和(自身を含む): 4802976000

約数和(自身を除く): 3074434360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 343, 392, 476, 490, 595, 680, 686, 833, 952, 980, 1190, 1372, 1666, 1715, 1960, 2380, 2744, 3332, 3430, 4165, 4760, 5831, 6664, 6860, 7411, 8330, 11662, 13720, 14822, 16660, 23324, 29155, 29644, 33320, 37055, 46648, 51877, 58310, 59288, 74110, 103754, 116620, 125987, 148220, 207508, 233240, 251974, 259385, 296440, 363139, 415016, 503948, 518770, 629935, 726278, 881909, 1007896, 1037540, 1259870, 1452556, 1763818, 1815695, 2075080, 2519740, 2541973, 2905112, 3527636, 3631390, 4409545, 5039480, 5083946, 6173363, 7055272, 7262780, 8819090, 10167892, 12346726, 12709865, 14525560, 17638180, 20335784, 24693452, 25419730, 30866815, 35276360, 43213541, 49386904, 50839460, 61733630, 86427082, 101678920, 123467260, 172854164, 216067705, 246934520, 345708328, 432135410, 864270820, 1728541640]

約数ペア:

[(1, 1728541640), (2, 864270820), (4, 432135410), (5, 345708328), (7, 246934520), (8, 216067705), (10, 172854164), (14, 123467260), (17, 101678920), (20, 86427082), (28, 61733630), (34, 50839460), (35, 49386904), (40, 43213541), (49, 35276360), (56, 30866815), (68, 25419730), (70, 24693452), (85, 20335784), (98, 17638180), (119, 14525560), (136, 12709865), (140, 12346726), (170, 10167892), (196, 8819090), (238, 7262780), (245, 7055272), (280, 6173363), (340, 5083946), (343, 5039480), (392, 4409545), (476, 3631390), (490, 3527636), (595, 2905112), (680, 2541973), (686, 2519740), (833, 2075080), (952, 1815695), (980, 1763818), (1190, 1452556), (1372, 1259870), (1666, 1037540), (1715, 1007896), (1960, 881909), (2380, 726278), (2744, 629935), (3332, 518770), (3430, 503948), (4165, 415016), (4760, 363139), (5831, 296440), (6664, 259385), (6860, 251974), (7411, 233240), (8330, 207508), (11662, 148220), (13720, 125987), (14822, 116620), (16660, 103754), (23324, 74110), (29155, 59288), (29644, 58310), (33320, 51877), (37055, 46648)]