257041620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 882604800

約数和(自身を除く): 625563180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 109, 110, 132, 135, 165, 180, 198, 218, 220, 270, 297, 327, 330, 396, 397, 436, 495, 540, 545, 594, 654, 660, 794, 981, 990, 1090, 1188, 1191, 1199, 1308, 1485, 1588, 1635, 1962, 1980, 1985, 2180, 2382, 2398, 2943, 2970, 3270, 3573, 3597, 3924, 3970, 4367, 4764, 4796, 4905, 5886, 5940, 5955, 5995, 6540, 7146, 7194, 7940, 8734, 9810, 10719, 10791, 11772, 11910, 11990, 13101, 14292, 14388, 14715, 17468, 17865, 17985, 19620, 21438, 21582, 21835, 23820, 23980, 26202, 29430, 32373, 35730, 35970, 39303, 42876, 43164, 43273, 43670, 52404, 53595, 53955, 58860, 64746, 65505, 71460, 71940, 78606, 86546, 87340, 107190, 107910, 117909, 129492, 129819, 131010, 157212, 161865, 173092, 196515, 214380, 215820, 216365, 235818, 259638, 262020, 323730, 389457, 393030, 432730, 471636, 476003, 519276, 589545, 647460, 649095, 778914, 786060, 865460, 952006, 1168371, 1179090, 1298190, 1428009, 1557828, 1904012, 1947285, 2336742, 2358180, 2380015, 2596380, 2856018, 3894570, 4284027, 4673484, 4760030, 5712036, 5841855, 7140045, 7789140, 8568054, 9520060, 11683710, 12852081, 14280090, 17136108, 21420135, 23367420, 25704162, 28560180, 42840270, 51408324, 64260405, 85680540, 128520810, 257041620]

約数ペア:

[(1, 257041620), (2, 128520810), (3, 85680540), (4, 64260405), (5, 51408324), (6, 42840270), (9, 28560180), (10, 25704162), (11, 23367420), (12, 21420135), (15, 17136108), (18, 14280090), (20, 12852081), (22, 11683710), (27, 9520060), (30, 8568054), (33, 7789140), (36, 7140045), (44, 5841855), (45, 5712036), (54, 4760030), (55, 4673484), (60, 4284027), (66, 3894570), (90, 2856018), (99, 2596380), (108, 2380015), (109, 2358180), (110, 2336742), (132, 1947285), (135, 1904012), (165, 1557828), (180, 1428009), (198, 1298190), (218, 1179090), (220, 1168371), (270, 952006), (297, 865460), (327, 786060), (330, 778914), (396, 649095), (397, 647460), (436, 589545), (495, 519276), (540, 476003), (545, 471636), (594, 432730), (654, 393030), (660, 389457), (794, 323730), (981, 262020), (990, 259638), (1090, 235818), (1188, 216365), (1191, 215820), (1199, 214380), (1308, 196515), (1485, 173092), (1588, 161865), (1635, 157212), (1962, 131010), (1980, 129819), (1985, 129492), (2180, 117909), (2382, 107910), (2398, 107190), (2943, 87340), (2970, 86546), (3270, 78606), (3573, 71940), (3597, 71460), (3924, 65505), (3970, 64746), (4367, 58860), (4764, 53955), (4796, 53595), (4905, 52404), (5886, 43670), (5940, 43273), (5955, 43164), (5995, 42876), (6540, 39303), (7146, 35970), (7194, 35730), (7940, 32373), (8734, 29430), (9810, 26202), (10719, 23980), (10791, 23820), (11772, 21835), (11910, 21582), (11990, 21438), (13101, 19620), (14292, 17985), (14388, 17865), (14715, 17468)]