64981440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 280

約数和(自身を含む): 243413280

約数和(自身を除く): 178431840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 109, 115, 120, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 218, 230, 240, 270, 276, 288, 320, 324, 327, 345, 360, 368, 405, 414, 432, 436, 460, 480, 540, 545, 552, 576, 621, 648, 654, 690, 720, 736, 810, 828, 864, 872, 920, 960, 981, 1035, 1080, 1090, 1104, 1242, 1296, 1308, 1380, 1440, 1472, 1620, 1635, 1656, 1728, 1744, 1840, 1863, 1962, 2070, 2160, 2180, 2208, 2484, 2507, 2592, 2616, 2760, 2880, 2943, 3105, 3240, 3270, 3312, 3488, 3680, 3726, 3924, 4140, 4320, 4360, 4416, 4905, 4968, 5014, 5184, 5232, 5520, 5886, 6210, 6480, 6540, 6624, 6976, 7360, 7452, 7521, 7848, 8280, 8640, 8720, 8829, 9315, 9810, 9936, 10028, 10464, 11040, 11772, 12420, 12535, 12960, 13080, 13248, 14715, 14904, 15042, 15696, 16560, 17440, 17658, 18630, 19620, 19872, 20056, 20928, 22080, 22563, 23544, 24840, 25070, 25920, 26160, 29430, 29808, 30084, 31392, 33120, 34880, 35316, 37260, 37605, 39240, 39744, 40112, 44145, 45126, 47088, 49680, 50140, 52320, 58860, 59616, 60168, 62784, 66240, 67689, 70632, 74520, 75210, 78480, 80224, 88290, 90252, 94176, 99360, 100280, 104640, 112815, 117720, 119232, 120336, 135378, 141264, 149040, 150420, 156960, 160448, 176580, 180504, 188352, 198720, 200560, 203067, 225630, 235440, 240672, 270756, 282528, 298080, 300840, 313920, 338445, 353160, 361008, 401120, 406134, 451260, 470880, 481344, 541512, 565056, 596160, 601680, 676890, 706320, 722016, 802240, 812268, 902520, 941760, 1015335, 1083024, 1203360, 1353780, 1412640, 1444032, 1624536, 1805040, 2030670, 2166048, 2406720, 2707560, 2825280, 3249072, 3610080, 4061340, 4332096, 5415120, 6498144, 7220160, 8122680, 10830240, 12996288, 16245360, 21660480, 32490720, 64981440]

約数ペア:

[(1, 64981440), (2, 32490720), (3, 21660480), (4, 16245360), (5, 12996288), (6, 10830240), (8, 8122680), (9, 7220160), (10, 6498144), (12, 5415120), (15, 4332096), (16, 4061340), (18, 3610080), (20, 3249072), (23, 2825280), (24, 2707560), (27, 2406720), (30, 2166048), (32, 2030670), (36, 1805040), (40, 1624536), (45, 1444032), (46, 1412640), (48, 1353780), (54, 1203360), (60, 1083024), (64, 1015335), (69, 941760), (72, 902520), (80, 812268), (81, 802240), (90, 722016), (92, 706320), (96, 676890), (108, 601680), (109, 596160), (115, 565056), (120, 541512), (135, 481344), (138, 470880), (144, 451260), (160, 406134), (162, 401120), (180, 361008), (184, 353160), (192, 338445), (207, 313920), (216, 300840), (218, 298080), (230, 282528), (240, 270756), (270, 240672), (276, 235440), (288, 225630), (320, 203067), (324, 200560), (327, 198720), (345, 188352), (360, 180504), (368, 176580), (405, 160448), (414, 156960), (432, 150420), (436, 149040), (460, 141264), (480, 135378), (540, 120336), (545, 119232), (552, 117720), (576, 112815), (621, 104640), (648, 100280), (654, 99360), (690, 94176), (720, 90252), (736, 88290), (810, 80224), (828, 78480), (864, 75210), (872, 74520), (920, 70632), (960, 67689), (981, 66240), (1035, 62784), (1080, 60168), (1090, 59616), (1104, 58860), (1242, 52320), (1296, 50140), (1308, 49680), (1380, 47088), (1440, 45126), (1472, 44145), (1620, 40112), (1635, 39744), (1656, 39240), (1728, 37605), (1744, 37260), (1840, 35316), (1863, 34880), (1962, 33120), (2070, 31392), (2160, 30084), (2180, 29808), (2208, 29430), (2484, 26160), (2507, 25920), (2592, 25070), (2616, 24840), (2760, 23544), (2880, 22563), (2943, 22080), (3105, 20928), (3240, 20056), (3270, 19872), (3312, 19620), (3488, 18630), (3680, 17658), (3726, 17440), (3924, 16560), (4140, 15696), (4320, 15042), (4360, 14904), (4416, 14715), (4905, 13248), (4968, 13080), (5014, 12960), (5184, 12535), (5232, 12420), (5520, 11772), (5886, 11040), (6210, 10464), (6480, 10028), (6540, 9936), (6624, 9810), (6976, 9315), (7360, 8829), (7452, 8720), (7521, 8640), (7848, 8280)]