178643920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 521966592

約数和(自身を除く): 343322672

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 80, 91, 104, 106, 112, 130, 140, 182, 208, 212, 260, 265, 280, 364, 371, 424, 455, 463, 520, 530, 560, 689, 728, 742, 848, 910, 926, 1040, 1060, 1378, 1456, 1484, 1820, 1852, 1855, 2120, 2315, 2756, 2968, 3241, 3445, 3640, 3704, 3710, 4240, 4630, 4823, 5512, 5936, 6019, 6482, 6890, 7280, 7408, 7420, 9260, 9646, 11024, 12038, 12964, 13780, 14840, 16205, 18520, 19292, 24076, 24115, 24539, 25928, 27560, 29680, 30095, 32410, 37040, 38584, 42133, 48152, 48230, 49078, 51856, 55120, 60190, 64820, 77168, 84266, 96304, 96460, 98156, 120380, 122695, 129640, 168532, 171773, 192920, 196312, 210665, 240760, 245390, 259280, 319007, 337064, 343546, 385840, 392624, 421330, 481520, 490780, 638014, 674128, 687092, 842660, 858865, 981560, 1276028, 1374184, 1595035, 1685320, 1717730, 1963120, 2233049, 2552056, 2748368, 3190070, 3370640, 3435460, 4466098, 5104112, 6380140, 6870920, 8932196, 11165245, 12760280, 13741840, 17864392, 22330490, 25520560, 35728784, 44660980, 89321960, 178643920]

約数ペア:

[(1, 178643920), (2, 89321960), (4, 44660980), (5, 35728784), (7, 25520560), (8, 22330490), (10, 17864392), (13, 13741840), (14, 12760280), (16, 11165245), (20, 8932196), (26, 6870920), (28, 6380140), (35, 5104112), (40, 4466098), (52, 3435460), (53, 3370640), (56, 3190070), (65, 2748368), (70, 2552056), (80, 2233049), (91, 1963120), (104, 1717730), (106, 1685320), (112, 1595035), (130, 1374184), (140, 1276028), (182, 981560), (208, 858865), (212, 842660), (260, 687092), (265, 674128), (280, 638014), (364, 490780), (371, 481520), (424, 421330), (455, 392624), (463, 385840), (520, 343546), (530, 337064), (560, 319007), (689, 259280), (728, 245390), (742, 240760), (848, 210665), (910, 196312), (926, 192920), (1040, 171773), (1060, 168532), (1378, 129640), (1456, 122695), (1484, 120380), (1820, 98156), (1852, 96460), (1855, 96304), (2120, 84266), (2315, 77168), (2756, 64820), (2968, 60190), (3241, 55120), (3445, 51856), (3640, 49078), (3704, 48230), (3710, 48152), (4240, 42133), (4630, 38584), (4823, 37040), (5512, 32410), (5936, 30095), (6019, 29680), (6482, 27560), (6890, 25928), (7280, 24539), (7408, 24115), (7420, 24076), (9260, 19292), (9646, 18520), (11024, 16205), (12038, 14840), (12964, 13780)]