978869880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 256

約数和(自身を含む): 3440102400

約数和(自身を除く): 2461232520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 157, 180, 184, 207, 216, 230, 251, 270, 276, 314, 345, 360, 414, 460, 471, 502, 540, 552, 621, 628, 690, 753, 785, 828, 920, 942, 1004, 1035, 1080, 1242, 1255, 1256, 1380, 1413, 1506, 1570, 1656, 1884, 2008, 2070, 2259, 2355, 2484, 2510, 2760, 2826, 3012, 3105, 3140, 3611, 3765, 3768, 4140, 4239, 4518, 4710, 4968, 5020, 5652, 5773, 6024, 6210, 6280, 6777, 7065, 7222, 7530, 8280, 8478, 9036, 9420, 10040, 10833, 11295, 11304, 11546, 12420, 13554, 14130, 14444, 15060, 16956, 17319, 18055, 18072, 18840, 21195, 21666, 22590, 23092, 24840, 27108, 28260, 28865, 28888, 30120, 32499, 33885, 33912, 34638, 36110, 39407, 42390, 43332, 45180, 46184, 51957, 54165, 54216, 56520, 57730, 64998, 67770, 69276, 72220, 78814, 84780, 86595, 86664, 90360, 97497, 103914, 108330, 115460, 118221, 129996, 135540, 138552, 144440, 155871, 157628, 162495, 169560, 173190, 194994, 197035, 207828, 216660, 230920, 236442, 259785, 259992, 271080, 311742, 315256, 324990, 346380, 354663, 389988, 394070, 415656, 433320, 472884, 487485, 519570, 591105, 623484, 649980, 692760, 709326, 779355, 779976, 788140, 906361, 945768, 974970, 1039140, 1063989, 1182210, 1246968, 1299960, 1418652, 1558710, 1576280, 1773315, 1812722, 1949940, 2078280, 2127978, 2364420, 2719083, 2837304, 3117420, 3546630, 3625444, 3899880, 4255956, 4531805, 4728840, 5319945, 5438166, 6234840, 7093260, 7250888, 8157249, 8511912, 9063610, 10639890, 10876332, 13595415, 14186520, 16314498, 18127220, 21279780, 21752664, 24471747, 27190830, 32628996, 36254440, 40786245, 42559560, 48943494, 54381660, 65257992, 81572490, 97886988, 108763320, 122358735, 163144980, 195773976, 244717470, 326289960, 489434940, 978869880]

約数ペア:

[(1, 978869880), (2, 489434940), (3, 326289960), (4, 244717470), (5, 195773976), (6, 163144980), (8, 122358735), (9, 108763320), (10, 97886988), (12, 81572490), (15, 65257992), (18, 54381660), (20, 48943494), (23, 42559560), (24, 40786245), (27, 36254440), (30, 32628996), (36, 27190830), (40, 24471747), (45, 21752664), (46, 21279780), (54, 18127220), (60, 16314498), (69, 14186520), (72, 13595415), (90, 10876332), (92, 10639890), (108, 9063610), (115, 8511912), (120, 8157249), (135, 7250888), (138, 7093260), (157, 6234840), (180, 5438166), (184, 5319945), (207, 4728840), (216, 4531805), (230, 4255956), (251, 3899880), (270, 3625444), (276, 3546630), (314, 3117420), (345, 2837304), (360, 2719083), (414, 2364420), (460, 2127978), (471, 2078280), (502, 1949940), (540, 1812722), (552, 1773315), (621, 1576280), (628, 1558710), (690, 1418652), (753, 1299960), (785, 1246968), (828, 1182210), (920, 1063989), (942, 1039140), (1004, 974970), (1035, 945768), (1080, 906361), (1242, 788140), (1255, 779976), (1256, 779355), (1380, 709326), (1413, 692760), (1506, 649980), (1570, 623484), (1656, 591105), (1884, 519570), (2008, 487485), (2070, 472884), (2259, 433320), (2355, 415656), (2484, 394070), (2510, 389988), (2760, 354663), (2826, 346380), (3012, 324990), (3105, 315256), (3140, 311742), (3611, 271080), (3765, 259992), (3768, 259785), (4140, 236442), (4239, 230920), (4518, 216660), (4710, 207828), (4968, 197035), (5020, 194994), (5652, 173190), (5773, 169560), (6024, 162495), (6210, 157628), (6280, 155871), (6777, 144440), (7065, 138552), (7222, 135540), (7530, 129996), (8280, 118221), (8478, 115460), (9036, 108330), (9420, 103914), (10040, 97497), (10833, 90360), (11295, 86664), (11304, 86595), (11546, 84780), (12420, 78814), (13554, 72220), (14130, 69276), (14444, 67770), (15060, 64998), (16956, 57730), (17319, 56520), (18055, 54216), (18072, 54165), (18840, 51957), (21195, 46184), (21666, 45180), (22590, 43332), (23092, 42390), (24840, 39407), (27108, 36110), (28260, 34638), (28865, 33912), (28888, 33885), (30120, 32499)]