1993931640

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 256

約数和(自身を含む): 7028121600

約数和(自身を除く): 5034189960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 270, 276, 324, 345, 360, 405, 414, 460, 486, 540, 552, 621, 648, 690, 729, 810, 828, 920, 972, 991, 1035, 1080, 1215, 1242, 1380, 1458, 1620, 1656, 1863, 1944, 1982, 2070, 2187, 2430, 2484, 2760, 2916, 2973, 3105, 3240, 3645, 3726, 3964, 4140, 4374, 4860, 4955, 4968, 5589, 5832, 5946, 6210, 7290, 7452, 7928, 8280, 8748, 8919, 9315, 9720, 9910, 10935, 11178, 11892, 12420, 14580, 14865, 14904, 16767, 17496, 17838, 18630, 19820, 21870, 22356, 22793, 23784, 24840, 26757, 27945, 29160, 29730, 33534, 35676, 37260, 39640, 43740, 44595, 44712, 45586, 50301, 53514, 55890, 59460, 67068, 68379, 71352, 74520, 80271, 83835, 87480, 89190, 91172, 100602, 107028, 111780, 113965, 118920, 133785, 134136, 136758, 160542, 167670, 178380, 182344, 201204, 205137, 214056, 223560, 227930, 240813, 251505, 267570, 273516, 321084, 335340, 341895, 356760, 401355, 402408, 410274, 455860, 481626, 503010, 535140, 547032, 615411, 642168, 670680, 683790, 722439, 802710, 820548, 911720, 963252, 1006020, 1025685, 1070280, 1204065, 1230822, 1367580, 1444878, 1605420, 1641096, 1846233, 1926504, 2012040, 2051370, 2167317, 2408130, 2461644, 2735160, 2889756, 3077055, 3210840, 3612195, 3692466, 4102740, 4334634, 4816260, 4923288, 5538699, 5779512, 6154110, 7224390, 7384932, 8205480, 8669268, 9231165, 9632520, 10836585, 11077398, 12308220, 14448780, 14769864, 16616097, 17338536, 18462330, 21673170, 22154796, 24616440, 27693495, 28897560, 33232194, 36924660, 43346340, 44309592, 49848291, 55386990, 66464388, 73849320, 83080485, 86692680, 99696582, 110773980, 132928776, 166160970, 199393164, 221547960, 249241455, 332321940, 398786328, 498482910, 664643880, 996965820, 1993931640]

約数ペア:

[(1, 1993931640), (2, 996965820), (3, 664643880), (4, 498482910), (5, 398786328), (6, 332321940), (8, 249241455), (9, 221547960), (10, 199393164), (12, 166160970), (15, 132928776), (18, 110773980), (20, 99696582), (23, 86692680), (24, 83080485), (27, 73849320), (30, 66464388), (36, 55386990), (40, 49848291), (45, 44309592), (46, 43346340), (54, 36924660), (60, 33232194), (69, 28897560), (72, 27693495), (81, 24616440), (90, 22154796), (92, 21673170), (108, 18462330), (115, 17338536), (120, 16616097), (135, 14769864), (138, 14448780), (162, 12308220), (180, 11077398), (184, 10836585), (207, 9632520), (216, 9231165), (230, 8669268), (243, 8205480), (270, 7384932), (276, 7224390), (324, 6154110), (345, 5779512), (360, 5538699), (405, 4923288), (414, 4816260), (460, 4334634), (486, 4102740), (540, 3692466), (552, 3612195), (621, 3210840), (648, 3077055), (690, 2889756), (729, 2735160), (810, 2461644), (828, 2408130), (920, 2167317), (972, 2051370), (991, 2012040), (1035, 1926504), (1080, 1846233), (1215, 1641096), (1242, 1605420), (1380, 1444878), (1458, 1367580), (1620, 1230822), (1656, 1204065), (1863, 1070280), (1944, 1025685), (1982, 1006020), (2070, 963252), (2187, 911720), (2430, 820548), (2484, 802710), (2760, 722439), (2916, 683790), (2973, 670680), (3105, 642168), (3240, 615411), (3645, 547032), (3726, 535140), (3964, 503010), (4140, 481626), (4374, 455860), (4860, 410274), (4955, 402408), (4968, 401355), (5589, 356760), (5832, 341895), (5946, 335340), (6210, 321084), (7290, 273516), (7452, 267570), (7928, 251505), (8280, 240813), (8748, 227930), (8919, 223560), (9315, 214056), (9720, 205137), (9910, 201204), (10935, 182344), (11178, 178380), (11892, 167670), (12420, 160542), (14580, 136758), (14865, 134136), (14904, 133785), (16767, 118920), (17496, 113965), (17838, 111780), (18630, 107028), (19820, 100602), (21870, 91172), (22356, 89190), (22793, 87480), (23784, 83835), (24840, 80271), (26757, 74520), (27945, 71352), (29160, 68379), (29730, 67068), (33534, 59460), (35676, 55890), (37260, 53514), (39640, 50301), (43740, 45586), (44595, 44712)]