856021440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:771

約数の個数: 224

約数和(自身を含む): 2905597440

約数和(自身を除く): 2049576000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 71, 76, 80, 95, 96, 114, 120, 142, 152, 160, 190, 192, 213, 228, 240, 284, 285, 304, 320, 355, 380, 426, 456, 480, 568, 570, 608, 661, 710, 760, 852, 912, 960, 1065, 1136, 1140, 1216, 1322, 1349, 1420, 1520, 1704, 1824, 1983, 2130, 2272, 2280, 2644, 2698, 2840, 3040, 3305, 3408, 3648, 3966, 4047, 4260, 4544, 4560, 5288, 5396, 5680, 6080, 6610, 6745, 6816, 7932, 8094, 8520, 9120, 9915, 10576, 10792, 11360, 12559, 13220, 13490, 13632, 15864, 16188, 17040, 18240, 19830, 20235, 21152, 21584, 22720, 25118, 26440, 26980, 31728, 32376, 34080, 37677, 39660, 40470, 42304, 43168, 46931, 50236, 52880, 53960, 62795, 63456, 64752, 68160, 75354, 79320, 80940, 86336, 93862, 100472, 105760, 107920, 125590, 126912, 129504, 140793, 150708, 158640, 161880, 187724, 188385, 200944, 211520, 215840, 234655, 251180, 259008, 281586, 301416, 317280, 323760, 375448, 376770, 401888, 431680, 469310, 502360, 563172, 602832, 634560, 647520, 703965, 750896, 753540, 803776, 891689, 938620, 1004720, 1126344, 1205664, 1295040, 1407930, 1501792, 1507080, 1783378, 1877240, 2009440, 2252688, 2411328, 2675067, 2815860, 3003584, 3014160, 3566756, 3754480, 4018880, 4458445, 4505376, 5350134, 5631720, 6028320, 7133512, 7508960, 8916890, 9010752, 10700268, 11263440, 12056640, 13375335, 14267024, 15017920, 17833780, 21400536, 22526880, 26750670, 28534048, 35667560, 42801072, 45053760, 53501340, 57068096, 71335120, 85602144, 107002680, 142670240, 171204288, 214005360, 285340480, 428010720, 856021440]

約数ペア:

[(1, 856021440), (2, 428010720), (3, 285340480), (4, 214005360), (5, 171204288), (6, 142670240), (8, 107002680), (10, 85602144), (12, 71335120), (15, 57068096), (16, 53501340), (19, 45053760), (20, 42801072), (24, 35667560), (30, 28534048), (32, 26750670), (38, 22526880), (40, 21400536), (48, 17833780), (57, 15017920), (60, 14267024), (64, 13375335), (71, 12056640), (76, 11263440), (80, 10700268), (95, 9010752), (96, 8916890), (114, 7508960), (120, 7133512), (142, 6028320), (152, 5631720), (160, 5350134), (190, 4505376), (192, 4458445), (213, 4018880), (228, 3754480), (240, 3566756), (284, 3014160), (285, 3003584), (304, 2815860), (320, 2675067), (355, 2411328), (380, 2252688), (426, 2009440), (456, 1877240), (480, 1783378), (568, 1507080), (570, 1501792), (608, 1407930), (661, 1295040), (710, 1205664), (760, 1126344), (852, 1004720), (912, 938620), (960, 891689), (1065, 803776), (1136, 753540), (1140, 750896), (1216, 703965), (1322, 647520), (1349, 634560), (1420, 602832), (1520, 563172), (1704, 502360), (1824, 469310), (1983, 431680), (2130, 401888), (2272, 376770), (2280, 375448), (2644, 323760), (2698, 317280), (2840, 301416), (3040, 281586), (3305, 259008), (3408, 251180), (3648, 234655), (3966, 215840), (4047, 211520), (4260, 200944), (4544, 188385), (4560, 187724), (5288, 161880), (5396, 158640), (5680, 150708), (6080, 140793), (6610, 129504), (6745, 126912), (6816, 125590), (7932, 107920), (8094, 105760), (8520, 100472), (9120, 93862), (9915, 86336), (10576, 80940), (10792, 79320), (11360, 75354), (12559, 68160), (13220, 64752), (13490, 63456), (13632, 62795), (15864, 53960), (16188, 52880), (17040, 50236), (18240, 46931), (19830, 43168), (20235, 42304), (21152, 40470), (21584, 39660), (22720, 37677), (25118, 34080), (26440, 32376), (26980, 31728)]