19857139920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{15679}}^1$

素因数の和:17457

約数の個数: 120

約数和(自身を含む): 66729062400

約数和(自身を除く): 46871922480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1759, 3518, 5277, 7036, 8795, 10554, 14072, 15679, 15831, 17590, 21108, 26385, 28144, 31358, 31662, 35180, 42216, 47037, 52770, 62716, 63324, 70360, 78395, 79155, 84432, 94074, 105540, 125432, 126648, 140720, 141111, 156790, 158310, 188148, 211080, 235185, 250864, 253296, 282222, 313580, 316620, 376296, 422160, 470370, 564444, 627160, 633240, 705555, 752592, 940740, 1128888, 1254320, 1266480, 1411110, 1881480, 2257776, 2822220, 3762960, 5644440, 11288880, 27579361, 55158722, 82738083, 110317444, 137896805, 165476166, 220634888, 248214249, 275793610, 330952332, 413690415, 441269776, 496428498, 551587220, 661904664, 827380830, 992856996, 1103174440, 1241071245, 1323809328, 1654761660, 1985713992, 2206348880, 2482142490, 3309523320, 3971427984, 4964284980, 6619046640, 9928569960, 19857139920]

約数ペア:

[(1, 19857139920), (2, 9928569960), (3, 6619046640), (4, 4964284980), (5, 3971427984), (6, 3309523320), (8, 2482142490), (9, 2206348880), (10, 1985713992), (12, 1654761660), (15, 1323809328), (16, 1241071245), (18, 1103174440), (20, 992856996), (24, 827380830), (30, 661904664), (36, 551587220), (40, 496428498), (45, 441269776), (48, 413690415), (60, 330952332), (72, 275793610), (80, 248214249), (90, 220634888), (120, 165476166), (144, 137896805), (180, 110317444), (240, 82738083), (360, 55158722), (720, 27579361), (1759, 11288880), (3518, 5644440), (5277, 3762960), (7036, 2822220), (8795, 2257776), (10554, 1881480), (14072, 1411110), (15679, 1266480), (15831, 1254320), (17590, 1128888), (21108, 940740), (26385, 752592), (28144, 705555), (31358, 633240), (31662, 627160), (35180, 564444), (42216, 470370), (47037, 422160), (52770, 376296), (62716, 316620), (63324, 313580), (70360, 282222), (78395, 253296), (79155, 250864), (84432, 235185), (94074, 211080), (105540, 188148), (125432, 158310), (126648, 156790), (140720, 141111)]