20051728440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:882

約数の個数: 256

約数和(自身を含む): 64437534720

約数和(自身を除く): 44385806280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 331, 345, 376, 460, 467, 470, 552, 564, 662, 690, 705, 920, 934, 940, 993, 1081, 1128, 1324, 1380, 1401, 1410, 1655, 1868, 1880, 1986, 2162, 2335, 2648, 2760, 2802, 2820, 3243, 3310, 3736, 3972, 4324, 4670, 4965, 5405, 5604, 5640, 6486, 6620, 7005, 7613, 7944, 8648, 9340, 9930, 10741, 10810, 11208, 12972, 13240, 14010, 15226, 15557, 16215, 18680, 19860, 21482, 21620, 21949, 22839, 25944, 28020, 30452, 31114, 32223, 32430, 38065, 39720, 42964, 43240, 43898, 45678, 46671, 53705, 56040, 60904, 62228, 64446, 64860, 65847, 76130, 77785, 85928, 87796, 91356, 93342, 107410, 109745, 114195, 124456, 128892, 129720, 131694, 152260, 154577, 155570, 161115, 175592, 182712, 186684, 214820, 219490, 228390, 233355, 257784, 263388, 304520, 309154, 311140, 322230, 329235, 357811, 373368, 429640, 438980, 456780, 463731, 466710, 504827, 526776, 618308, 622280, 644460, 658470, 715622, 772885, 877960, 913560, 927462, 933420, 1009654, 1073433, 1236616, 1288920, 1316940, 1431244, 1514481, 1545770, 1789055, 1854924, 1866840, 2019308, 2146866, 2318655, 2524135, 2633880, 2862488, 3028962, 3091540, 3555271, 3578110, 3709848, 4038616, 4293732, 4637310, 5048270, 5367165, 6057924, 6183080, 7110542, 7156220, 7265119, 7572405, 8587464, 9274620, 10096540, 10665813, 10734330, 12115848, 14221084, 14312440, 14530238, 15144810, 17776355, 18549240, 20193080, 21331626, 21468660, 21795357, 28442168, 29060476, 30289620, 35552710, 36325595, 42663252, 42937320, 43590714, 53329065, 58120952, 60579240, 71105420, 72651190, 85326504, 87181428, 106658130, 108976785, 142210840, 145302380, 167097737, 174362856, 213316260, 217953570, 290604760, 334195474, 426632520, 435907140, 501293211, 668390948, 835488685, 871814280, 1002586422, 1336781896, 1670977370, 2005172844, 2506466055, 3341954740, 4010345688, 5012932110, 6683909480, 10025864220, 20051728440]

約数ペア:

[(1, 20051728440), (2, 10025864220), (3, 6683909480), (4, 5012932110), (5, 4010345688), (6, 3341954740), (8, 2506466055), (10, 2005172844), (12, 1670977370), (15, 1336781896), (20, 1002586422), (23, 871814280), (24, 835488685), (30, 668390948), (40, 501293211), (46, 435907140), (47, 426632520), (60, 334195474), (69, 290604760), (92, 217953570), (94, 213316260), (115, 174362856), (120, 167097737), (138, 145302380), (141, 142210840), (184, 108976785), (188, 106658130), (230, 87181428), (235, 85326504), (276, 72651190), (282, 71105420), (331, 60579240), (345, 58120952), (376, 53329065), (460, 43590714), (467, 42937320), (470, 42663252), (552, 36325595), (564, 35552710), (662, 30289620), (690, 29060476), (705, 28442168), (920, 21795357), (934, 21468660), (940, 21331626), (993, 20193080), (1081, 18549240), (1128, 17776355), (1324, 15144810), (1380, 14530238), (1401, 14312440), (1410, 14221084), (1655, 12115848), (1868, 10734330), (1880, 10665813), (1986, 10096540), (2162, 9274620), (2335, 8587464), (2648, 7572405), (2760, 7265119), (2802, 7156220), (2820, 7110542), (3243, 6183080), (3310, 6057924), (3736, 5367165), (3972, 5048270), (4324, 4637310), (4670, 4293732), (4965, 4038616), (5405, 3709848), (5604, 3578110), (5640, 3555271), (6486, 3091540), (6620, 3028962), (7005, 2862488), (7613, 2633880), (7944, 2524135), (8648, 2318655), (9340, 2146866), (9930, 2019308), (10741, 1866840), (10810, 1854924), (11208, 1789055), (12972, 1545770), (13240, 1514481), (14010, 1431244), (15226, 1316940), (15557, 1288920), (16215, 1236616), (18680, 1073433), (19860, 1009654), (21482, 933420), (21620, 927462), (21949, 913560), (22839, 877960), (25944, 772885), (28020, 715622), (30452, 658470), (31114, 644460), (32223, 622280), (32430, 618308), (38065, 526776), (39720, 504827), (42964, 466710), (43240, 463731), (43898, 456780), (45678, 438980), (46671, 429640), (53705, 373368), (56040, 357811), (60904, 329235), (62228, 322230), (64446, 311140), (64860, 309154), (65847, 304520), (76130, 263388), (77785, 257784), (85928, 233355), (87796, 228390), (91356, 219490), (93342, 214820), (107410, 186684), (109745, 182712), (114195, 175592), (124456, 161115), (128892, 155570), (129720, 154577), (131694, 152260)]