280885440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 224

約数和(自身を含む): 989892864

約数和(自身を除く): 709007424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 67, 80, 88, 96, 110, 120, 132, 134, 160, 165, 176, 192, 201, 220, 240, 264, 268, 320, 330, 335, 352, 397, 402, 440, 480, 528, 536, 660, 670, 704, 737, 794, 804, 880, 960, 1005, 1056, 1072, 1191, 1320, 1340, 1474, 1588, 1608, 1760, 1985, 2010, 2112, 2144, 2211, 2382, 2640, 2680, 2948, 3176, 3216, 3520, 3685, 3970, 4020, 4288, 4367, 4422, 4764, 5280, 5360, 5896, 5955, 6352, 6432, 7370, 7940, 8040, 8734, 8844, 9528, 10560, 10720, 11055, 11792, 11910, 12704, 12864, 13101, 14740, 15880, 16080, 17468, 17688, 19056, 21440, 21835, 22110, 23584, 23820, 25408, 26202, 26599, 29480, 31760, 32160, 34936, 35376, 38112, 43670, 44220, 47168, 47640, 52404, 53198, 58960, 63520, 64320, 65505, 69872, 70752, 76224, 79797, 87340, 88440, 95280, 104808, 106396, 117920, 127040, 131010, 132995, 139744, 141504, 159594, 174680, 176880, 190560, 209616, 212792, 235840, 262020, 265990, 279488, 292589, 319188, 349360, 353760, 381120, 398985, 419232, 425584, 524040, 531980, 585178, 638376, 698720, 707520, 797970, 838464, 851168, 877767, 1048080, 1063960, 1170356, 1276752, 1397440, 1462945, 1595940, 1702336, 1755534, 2096160, 2127920, 2340712, 2553504, 2925890, 3191880, 3511068, 4192320, 4255840, 4388835, 4681424, 5107008, 5851780, 6383760, 7022136, 8511680, 8777670, 9362848, 11703560, 12767520, 14044272, 17555340, 18725696, 23407120, 25535040, 28088544, 35110680, 46814240, 56177088, 70221360, 93628480, 140442720, 280885440]

約数ペア:

[(1, 280885440), (2, 140442720), (3, 93628480), (4, 70221360), (5, 56177088), (6, 46814240), (8, 35110680), (10, 28088544), (11, 25535040), (12, 23407120), (15, 18725696), (16, 17555340), (20, 14044272), (22, 12767520), (24, 11703560), (30, 9362848), (32, 8777670), (33, 8511680), (40, 7022136), (44, 6383760), (48, 5851780), (55, 5107008), (60, 4681424), (64, 4388835), (66, 4255840), (67, 4192320), (80, 3511068), (88, 3191880), (96, 2925890), (110, 2553504), (120, 2340712), (132, 2127920), (134, 2096160), (160, 1755534), (165, 1702336), (176, 1595940), (192, 1462945), (201, 1397440), (220, 1276752), (240, 1170356), (264, 1063960), (268, 1048080), (320, 877767), (330, 851168), (335, 838464), (352, 797970), (397, 707520), (402, 698720), (440, 638376), (480, 585178), (528, 531980), (536, 524040), (660, 425584), (670, 419232), (704, 398985), (737, 381120), (794, 353760), (804, 349360), (880, 319188), (960, 292589), (1005, 279488), (1056, 265990), (1072, 262020), (1191, 235840), (1320, 212792), (1340, 209616), (1474, 190560), (1588, 176880), (1608, 174680), (1760, 159594), (1985, 141504), (2010, 139744), (2112, 132995), (2144, 131010), (2211, 127040), (2382, 117920), (2640, 106396), (2680, 104808), (2948, 95280), (3176, 88440), (3216, 87340), (3520, 79797), (3685, 76224), (3970, 70752), (4020, 69872), (4288, 65505), (4367, 64320), (4422, 63520), (4764, 58960), (5280, 53198), (5360, 52404), (5896, 47640), (5955, 47168), (6352, 44220), (6432, 43670), (7370, 38112), (7940, 35376), (8040, 34936), (8734, 32160), (8844, 31760), (9528, 29480), (10560, 26599), (10720, 26202), (11055, 25408), (11792, 23820), (11910, 23584), (12704, 22110), (12864, 21835), (13101, 21440), (14740, 19056), (15880, 17688), (16080, 17468)]