53806480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 162489600

約数和(自身を除く): 108683120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 389, 455, 494, 520, 532, 560, 665, 728, 760, 778, 910, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1556, 1729, 1820, 1945, 1976, 2128, 2470, 2660, 2723, 3112, 3458, 3640, 3890, 3952, 4940, 5057, 5320, 5446, 6224, 6916, 7280, 7391, 7780, 8645, 9880, 10114, 10640, 10892, 13615, 13832, 14782, 15560, 17290, 19760, 20228, 21784, 25285, 27230, 27664, 29564, 31120, 34580, 35399, 36955, 40456, 43568, 50570, 51737, 54460, 59128, 69160, 70798, 73910, 80912, 96083, 101140, 103474, 108920, 118256, 138320, 141596, 147820, 176995, 192166, 202280, 206948, 217840, 258685, 283192, 295640, 353990, 384332, 404560, 413896, 480415, 517370, 566384, 591280, 672581, 707980, 768664, 827792, 960830, 1034740, 1345162, 1415960, 1537328, 1921660, 2069480, 2690324, 2831920, 3362905, 3843320, 4138960, 5380648, 6725810, 7686640, 10761296, 13451620, 26903240, 53806480]

約数ペア:

[(1, 53806480), (2, 26903240), (4, 13451620), (5, 10761296), (7, 7686640), (8, 6725810), (10, 5380648), (13, 4138960), (14, 3843320), (16, 3362905), (19, 2831920), (20, 2690324), (26, 2069480), (28, 1921660), (35, 1537328), (38, 1415960), (40, 1345162), (52, 1034740), (56, 960830), (65, 827792), (70, 768664), (76, 707980), (80, 672581), (91, 591280), (95, 566384), (104, 517370), (112, 480415), (130, 413896), (133, 404560), (140, 384332), (152, 353990), (182, 295640), (190, 283192), (208, 258685), (247, 217840), (260, 206948), (266, 202280), (280, 192166), (304, 176995), (364, 147820), (380, 141596), (389, 138320), (455, 118256), (494, 108920), (520, 103474), (532, 101140), (560, 96083), (665, 80912), (728, 73910), (760, 70798), (778, 69160), (910, 59128), (988, 54460), (1040, 51737), (1064, 50570), (1235, 43568), (1330, 40456), (1456, 36955), (1520, 35399), (1556, 34580), (1729, 31120), (1820, 29564), (1945, 27664), (1976, 27230), (2128, 25285), (2470, 21784), (2660, 20228), (2723, 19760), (3112, 17290), (3458, 15560), (3640, 14782), (3890, 13832), (3952, 13615), (4940, 10892), (5057, 10640), (5320, 10114), (5446, 9880), (6224, 8645), (6916, 7780), (7280, 7391)]