280023301120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{47189}}^1$

素因数の和:47294

約数の個数: 176

約数和(自身を含む): 718688599200

約数和(自身を除く): 438665298080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 128, 152, 160, 190, 244, 256, 304, 305, 320, 380, 488, 512, 608, 610, 640, 760, 976, 1024, 1159, 1216, 1220, 1280, 1520, 1952, 2318, 2432, 2440, 2560, 3040, 3904, 4636, 4864, 4880, 5120, 5795, 6080, 7808, 9272, 9728, 9760, 11590, 12160, 15616, 18544, 19456, 19520, 23180, 24320, 31232, 37088, 39040, 46360, 47189, 48640, 62464, 74176, 78080, 92720, 94378, 97280, 148352, 156160, 185440, 188756, 235945, 296704, 312320, 370880, 377512, 471890, 593408, 741760, 755024, 896591, 943780, 1186816, 1483520, 1510048, 1793182, 1887560, 2878529, 2967040, 3020096, 3586364, 3775120, 4482955, 5757058, 5934080, 6040192, 7172728, 7550240, 8965910, 11514116, 12080384, 14345456, 14392645, 15100480, 17931820, 23028232, 24160768, 28690912, 28785290, 30200960, 35863640, 46056464, 48321536, 54692051, 57381824, 57570580, 60401920, 71727280, 92112928, 109384102, 114763648, 115141160, 120803840, 143454560, 184225856, 218768204, 229527296, 230282320, 241607680, 273460255, 286909120, 368451712, 437536408, 459054592, 460564640, 546920510, 573818240, 736903424, 875072816, 918109184, 921129280, 1093841020, 1147636480, 1473806848, 1750145632, 1842258560, 2187682040, 2295272960, 2947613696, 3500291264, 3684517120, 4375364080, 4590545920, 7000582528, 7369034240, 8750728160, 14001165056, 14738068480, 17501456320, 28002330112, 35002912640, 56004660224, 70005825280, 140011650560, 280023301120]

約数ペア:

[(1, 280023301120), (2, 140011650560), (4, 70005825280), (5, 56004660224), (8, 35002912640), (10, 28002330112), (16, 17501456320), (19, 14738068480), (20, 14001165056), (32, 8750728160), (38, 7369034240), (40, 7000582528), (61, 4590545920), (64, 4375364080), (76, 3684517120), (80, 3500291264), (95, 2947613696), (122, 2295272960), (128, 2187682040), (152, 1842258560), (160, 1750145632), (190, 1473806848), (244, 1147636480), (256, 1093841020), (304, 921129280), (305, 918109184), (320, 875072816), (380, 736903424), (488, 573818240), (512, 546920510), (608, 460564640), (610, 459054592), (640, 437536408), (760, 368451712), (976, 286909120), (1024, 273460255), (1159, 241607680), (1216, 230282320), (1220, 229527296), (1280, 218768204), (1520, 184225856), (1952, 143454560), (2318, 120803840), (2432, 115141160), (2440, 114763648), (2560, 109384102), (3040, 92112928), (3904, 71727280), (4636, 60401920), (4864, 57570580), (4880, 57381824), (5120, 54692051), (5795, 48321536), (6080, 46056464), (7808, 35863640), (9272, 30200960), (9728, 28785290), (9760, 28690912), (11590, 24160768), (12160, 23028232), (15616, 17931820), (18544, 15100480), (19456, 14392645), (19520, 14345456), (23180, 12080384), (24320, 11514116), (31232, 8965910), (37088, 7550240), (39040, 7172728), (46360, 6040192), (47189, 5934080), (48640, 5757058), (62464, 4482955), (74176, 3775120), (78080, 3586364), (92720, 3020096), (94378, 2967040), (97280, 2878529), (148352, 1887560), (156160, 1793182), (185440, 1510048), (188756, 1483520), (235945, 1186816), (296704, 943780), (312320, 896591), (370880, 755024), (377512, 741760), (471890, 593408)]