1661588640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4477

約数の個数: 240

約数和(自身を含む): 6067603080

約数和(自身を除く): 4406014440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 216, 232, 240, 261, 270, 288, 290, 324, 348, 360, 405, 432, 435, 464, 480, 522, 540, 580, 648, 696, 720, 783, 810, 864, 870, 928, 1044, 1080, 1160, 1296, 1305, 1392, 1440, 1566, 1620, 1740, 2088, 2160, 2320, 2349, 2592, 2610, 2784, 3132, 3240, 3480, 3915, 4176, 4320, 4421, 4640, 4698, 5220, 6264, 6480, 6960, 7830, 8352, 8842, 9396, 10440, 11745, 12528, 12960, 13263, 13920, 15660, 17684, 18792, 20880, 22105, 23490, 25056, 26526, 31320, 35368, 37584, 39789, 41760, 44210, 46980, 53052, 62640, 66315, 70736, 75168, 79578, 88420, 93960, 106104, 119367, 125280, 128209, 132630, 141472, 159156, 176840, 187920, 198945, 212208, 238734, 256418, 265260, 318312, 353680, 358101, 375840, 384627, 397890, 424416, 477468, 512836, 530520, 596835, 636624, 641045, 707360, 716202, 769254, 795780, 954936, 1025672, 1061040, 1153881, 1193670, 1273248, 1282090, 1432404, 1538508, 1591560, 1790505, 1909872, 1923135, 2051344, 2122080, 2307762, 2387340, 2564180, 2864808, 3077016, 3183120, 3461643, 3581010, 3819744, 3846270, 4102688, 4615524, 4774680, 5128360, 5729616, 5769405, 6154032, 6366240, 6923286, 7162020, 7692540, 9231048, 9549360, 10256720, 10384929, 11459232, 11538810, 12308064, 13846572, 14324040, 15385080, 17308215, 18462096, 19098720, 20513440, 20769858, 23077620, 27693144, 28648080, 30770160, 34616430, 36924192, 41539716, 46155240, 51924645, 55386288, 57296160, 61540320, 69232860, 83079432, 92310480, 103849290, 110772576, 138465720, 166158864, 184620960, 207698580, 276931440, 332317728, 415397160, 553862880, 830794320, 1661588640]

約数ペア:

[(1, 1661588640), (2, 830794320), (3, 553862880), (4, 415397160), (5, 332317728), (6, 276931440), (8, 207698580), (9, 184620960), (10, 166158864), (12, 138465720), (15, 110772576), (16, 103849290), (18, 92310480), (20, 83079432), (24, 69232860), (27, 61540320), (29, 57296160), (30, 55386288), (32, 51924645), (36, 46155240), (40, 41539716), (45, 36924192), (48, 34616430), (54, 30770160), (58, 28648080), (60, 27693144), (72, 23077620), (80, 20769858), (81, 20513440), (87, 19098720), (90, 18462096), (96, 17308215), (108, 15385080), (116, 14324040), (120, 13846572), (135, 12308064), (144, 11538810), (145, 11459232), (160, 10384929), (162, 10256720), (174, 9549360), (180, 9231048), (216, 7692540), (232, 7162020), (240, 6923286), (261, 6366240), (270, 6154032), (288, 5769405), (290, 5729616), (324, 5128360), (348, 4774680), (360, 4615524), (405, 4102688), (432, 3846270), (435, 3819744), (464, 3581010), (480, 3461643), (522, 3183120), (540, 3077016), (580, 2864808), (648, 2564180), (696, 2387340), (720, 2307762), (783, 2122080), (810, 2051344), (864, 1923135), (870, 1909872), (928, 1790505), (1044, 1591560), (1080, 1538508), (1160, 1432404), (1296, 1282090), (1305, 1273248), (1392, 1193670), (1440, 1153881), (1566, 1061040), (1620, 1025672), (1740, 954936), (2088, 795780), (2160, 769254), (2320, 716202), (2349, 707360), (2592, 641045), (2610, 636624), (2784, 596835), (3132, 530520), (3240, 512836), (3480, 477468), (3915, 424416), (4176, 397890), (4320, 384627), (4421, 375840), (4640, 358101), (4698, 353680), (5220, 318312), (6264, 265260), (6480, 256418), (6960, 238734), (7830, 212208), (8352, 198945), (8842, 187920), (9396, 176840), (10440, 159156), (11745, 141472), (12528, 132630), (12960, 128209), (13263, 125280), (13920, 119367), (15660, 106104), (17684, 93960), (18792, 88420), (20880, 79578), (22105, 75168), (23490, 70736), (25056, 66315), (26526, 62640), (31320, 53052), (35368, 46980), (37584, 44210), (39789, 41760)]