651297920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 256

約数和(自身を含む): 1961729280

約数和(自身を除く): 1310431360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 64, 65, 70, 80, 91, 104, 106, 112, 128, 130, 140, 160, 182, 208, 211, 212, 224, 260, 265, 280, 320, 364, 371, 416, 422, 424, 448, 455, 520, 530, 560, 640, 689, 728, 742, 832, 844, 848, 896, 910, 1040, 1055, 1060, 1120, 1378, 1456, 1477, 1484, 1664, 1688, 1696, 1820, 1855, 2080, 2110, 2120, 2240, 2743, 2756, 2912, 2954, 2968, 3376, 3392, 3445, 3640, 3710, 4160, 4220, 4240, 4480, 4823, 5486, 5512, 5824, 5908, 5936, 6752, 6784, 6890, 7280, 7385, 7420, 8320, 8440, 8480, 9646, 10972, 11024, 11183, 11648, 11816, 11872, 13504, 13715, 13780, 14560, 14770, 14840, 16880, 16960, 19201, 19292, 21944, 22048, 22366, 23632, 23744, 24115, 27008, 27430, 27560, 29120, 29540, 29680, 33760, 33920, 38402, 38584, 43888, 44096, 44732, 47264, 47488, 48230, 54860, 55120, 55915, 58240, 59080, 59360, 67520, 76804, 77168, 78281, 87776, 88192, 89464, 94528, 96005, 96460, 109720, 110240, 111830, 118160, 118720, 135040, 145379, 153608, 154336, 156562, 175552, 178928, 189056, 192010, 192920, 219440, 220480, 223660, 236320, 237440, 290758, 307216, 308672, 313124, 351104, 357856, 384020, 385840, 391405, 438880, 440960, 447320, 472640, 581516, 614432, 617344, 626248, 715712, 726895, 768040, 771680, 782810, 877760, 894640, 945280, 1017653, 1163032, 1228864, 1252496, 1431424, 1453790, 1536080, 1543360, 1565620, 1755520, 1789280, 2035306, 2326064, 2457728, 2504992, 2907580, 3072160, 3086720, 3131240, 3578560, 4070612, 4652128, 5009984, 5088265, 5815160, 6144320, 6262480, 7157120, 8141224, 9304256, 10019968, 10176530, 11630320, 12288640, 12524960, 16282448, 18608512, 20353060, 23260640, 25049920, 32564896, 40706120, 46521280, 50099840, 65129792, 81412240, 93042560, 130259584, 162824480, 325648960, 651297920]

約数ペア:

[(1, 651297920), (2, 325648960), (4, 162824480), (5, 130259584), (7, 93042560), (8, 81412240), (10, 65129792), (13, 50099840), (14, 46521280), (16, 40706120), (20, 32564896), (26, 25049920), (28, 23260640), (32, 20353060), (35, 18608512), (40, 16282448), (52, 12524960), (53, 12288640), (56, 11630320), (64, 10176530), (65, 10019968), (70, 9304256), (80, 8141224), (91, 7157120), (104, 6262480), (106, 6144320), (112, 5815160), (128, 5088265), (130, 5009984), (140, 4652128), (160, 4070612), (182, 3578560), (208, 3131240), (211, 3086720), (212, 3072160), (224, 2907580), (260, 2504992), (265, 2457728), (280, 2326064), (320, 2035306), (364, 1789280), (371, 1755520), (416, 1565620), (422, 1543360), (424, 1536080), (448, 1453790), (455, 1431424), (520, 1252496), (530, 1228864), (560, 1163032), (640, 1017653), (689, 945280), (728, 894640), (742, 877760), (832, 782810), (844, 771680), (848, 768040), (896, 726895), (910, 715712), (1040, 626248), (1055, 617344), (1060, 614432), (1120, 581516), (1378, 472640), (1456, 447320), (1477, 440960), (1484, 438880), (1664, 391405), (1688, 385840), (1696, 384020), (1820, 357856), (1855, 351104), (2080, 313124), (2110, 308672), (2120, 307216), (2240, 290758), (2743, 237440), (2756, 236320), (2912, 223660), (2954, 220480), (2968, 219440), (3376, 192920), (3392, 192010), (3445, 189056), (3640, 178928), (3710, 175552), (4160, 156562), (4220, 154336), (4240, 153608), (4480, 145379), (4823, 135040), (5486, 118720), (5512, 118160), (5824, 111830), (5908, 110240), (5936, 109720), (6752, 96460), (6784, 96005), (6890, 94528), (7280, 89464), (7385, 88192), (7420, 87776), (8320, 78281), (8440, 77168), (8480, 76804), (9646, 67520), (10972, 59360), (11024, 59080), (11183, 58240), (11648, 55915), (11816, 55120), (11872, 54860), (13504, 48230), (13715, 47488), (13780, 47264), (14560, 44732), (14770, 44096), (14840, 43888), (16880, 38584), (16960, 38402), (19201, 33920), (19292, 33760), (21944, 29680), (22048, 29540), (22366, 29120), (23632, 27560), (23744, 27430), (24115, 27008)]