318481680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 160

約数和(自身を含む): 1087037568

約数和(自身を除く): 768555888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 997, 1210, 1320, 1331, 1452, 1815, 1936, 1994, 2420, 2640, 2662, 2904, 2991, 3630, 3988, 3993, 4840, 4985, 5324, 5808, 5982, 6655, 7260, 7976, 7986, 9680, 9970, 10648, 10967, 11964, 13310, 14520, 14955, 15952, 15972, 19940, 19965, 21296, 21934, 23928, 26620, 29040, 29910, 31944, 32901, 39880, 39930, 43868, 47856, 53240, 54835, 59820, 63888, 65802, 79760, 79860, 87736, 106480, 109670, 119640, 120637, 131604, 159720, 164505, 175472, 219340, 239280, 241274, 263208, 319440, 329010, 361911, 438680, 482548, 526416, 603185, 658020, 723822, 877360, 965096, 1206370, 1316040, 1327007, 1447644, 1809555, 1930192, 2412740, 2632080, 2654014, 2895288, 3619110, 3981021, 4825480, 5308028, 5790576, 6635035, 7238220, 7962042, 9650960, 10616056, 13270070, 14476440, 15924084, 19905105, 21232112, 26540140, 28952880, 31848168, 39810210, 53080280, 63696336, 79620420, 106160560, 159240840, 318481680]

約数ペア:

[(1, 318481680), (2, 159240840), (3, 106160560), (4, 79620420), (5, 63696336), (6, 53080280), (8, 39810210), (10, 31848168), (11, 28952880), (12, 26540140), (15, 21232112), (16, 19905105), (20, 15924084), (22, 14476440), (24, 13270070), (30, 10616056), (33, 9650960), (40, 7962042), (44, 7238220), (48, 6635035), (55, 5790576), (60, 5308028), (66, 4825480), (80, 3981021), (88, 3619110), (110, 2895288), (120, 2654014), (121, 2632080), (132, 2412740), (165, 1930192), (176, 1809555), (220, 1447644), (240, 1327007), (242, 1316040), (264, 1206370), (330, 965096), (363, 877360), (440, 723822), (484, 658020), (528, 603185), (605, 526416), (660, 482548), (726, 438680), (880, 361911), (968, 329010), (997, 319440), (1210, 263208), (1320, 241274), (1331, 239280), (1452, 219340), (1815, 175472), (1936, 164505), (1994, 159720), (2420, 131604), (2640, 120637), (2662, 119640), (2904, 109670), (2991, 106480), (3630, 87736), (3988, 79860), (3993, 79760), (4840, 65802), (4985, 63888), (5324, 59820), (5808, 54835), (5982, 53240), (6655, 47856), (7260, 43868), (7976, 39930), (7986, 39880), (9680, 32901), (9970, 31944), (10648, 29910), (10967, 29040), (11964, 26620), (13310, 23928), (14520, 21934), (14955, 21296), (15952, 19965), (15972, 19940)]