251655040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 256

約数和(自身を含む): 771120000

約数和(自身を除く): 519464960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 64, 65, 70, 80, 91, 104, 112, 116, 128, 130, 140, 145, 149, 160, 182, 203, 208, 224, 232, 260, 280, 290, 298, 320, 364, 377, 406, 416, 448, 455, 464, 520, 560, 580, 596, 640, 728, 745, 754, 812, 832, 896, 910, 928, 1015, 1040, 1043, 1120, 1160, 1192, 1456, 1490, 1508, 1624, 1664, 1820, 1856, 1885, 1937, 2030, 2080, 2086, 2240, 2320, 2384, 2639, 2912, 2980, 3016, 3248, 3640, 3712, 3770, 3874, 4060, 4160, 4172, 4321, 4480, 4640, 4768, 5215, 5278, 5824, 5960, 6032, 6496, 7280, 7540, 7748, 8120, 8320, 8344, 8642, 9280, 9536, 9685, 10430, 10556, 11648, 11920, 12064, 12992, 13195, 13559, 14560, 15080, 15496, 16240, 16688, 17284, 18560, 19072, 19370, 20860, 21112, 21605, 23840, 24128, 25984, 26390, 27118, 29120, 30160, 30247, 30992, 32480, 33376, 34568, 38740, 41720, 42224, 43210, 47680, 48256, 52780, 54236, 56173, 58240, 60320, 60494, 61984, 64960, 66752, 67795, 69136, 77480, 83440, 84448, 86420, 95360, 105560, 108472, 112346, 120640, 120988, 123968, 129920, 133504, 135590, 138272, 151235, 154960, 166880, 168896, 172840, 211120, 216944, 224692, 241280, 241976, 247936, 271180, 276544, 280865, 302470, 309920, 333760, 337792, 345680, 393211, 422240, 433888, 449384, 483952, 542360, 553088, 561730, 604940, 619840, 667520, 691360, 786422, 844480, 867776, 898768, 967904, 1084720, 1123460, 1209880, 1239680, 1382720, 1572844, 1688960, 1735552, 1797536, 1935808, 1966055, 2169440, 2246920, 2419760, 2765440, 3145688, 3595072, 3871616, 3932110, 4338880, 4493840, 4839520, 6291376, 7190144, 7864220, 8677760, 8987680, 9679040, 12582752, 15728440, 17975360, 19358080, 25165504, 31456880, 35950720, 50331008, 62913760, 125827520, 251655040]

約数ペア:

[(1, 251655040), (2, 125827520), (4, 62913760), (5, 50331008), (7, 35950720), (8, 31456880), (10, 25165504), (13, 19358080), (14, 17975360), (16, 15728440), (20, 12582752), (26, 9679040), (28, 8987680), (29, 8677760), (32, 7864220), (35, 7190144), (40, 6291376), (52, 4839520), (56, 4493840), (58, 4338880), (64, 3932110), (65, 3871616), (70, 3595072), (80, 3145688), (91, 2765440), (104, 2419760), (112, 2246920), (116, 2169440), (128, 1966055), (130, 1935808), (140, 1797536), (145, 1735552), (149, 1688960), (160, 1572844), (182, 1382720), (203, 1239680), (208, 1209880), (224, 1123460), (232, 1084720), (260, 967904), (280, 898768), (290, 867776), (298, 844480), (320, 786422), (364, 691360), (377, 667520), (406, 619840), (416, 604940), (448, 561730), (455, 553088), (464, 542360), (520, 483952), (560, 449384), (580, 433888), (596, 422240), (640, 393211), (728, 345680), (745, 337792), (754, 333760), (812, 309920), (832, 302470), (896, 280865), (910, 276544), (928, 271180), (1015, 247936), (1040, 241976), (1043, 241280), (1120, 224692), (1160, 216944), (1192, 211120), (1456, 172840), (1490, 168896), (1508, 166880), (1624, 154960), (1664, 151235), (1820, 138272), (1856, 135590), (1885, 133504), (1937, 129920), (2030, 123968), (2080, 120988), (2086, 120640), (2240, 112346), (2320, 108472), (2384, 105560), (2639, 95360), (2912, 86420), (2980, 84448), (3016, 83440), (3248, 77480), (3640, 69136), (3712, 67795), (3770, 66752), (3874, 64960), (4060, 61984), (4160, 60494), (4172, 60320), (4321, 58240), (4480, 56173), (4640, 54236), (4768, 52780), (5215, 48256), (5278, 47680), (5824, 43210), (5960, 42224), (6032, 41720), (6496, 38740), (7280, 34568), (7540, 33376), (7748, 32480), (8120, 30992), (8320, 30247), (8344, 30160), (8642, 29120), (9280, 27118), (9536, 26390), (9685, 25984), (10430, 24128), (10556, 23840), (11648, 21605), (11920, 21112), (12064, 20860), (12992, 19370), (13195, 19072), (13559, 18560), (14560, 17284), (15080, 16688), (15496, 16240)]