1278293760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3063

約数の個数: 216

約数和(自身を含む): 4543812000

約数和(自身を除く): 3265518240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1665, 1776, 1920, 2220, 2304, 2368, 2664, 2880, 2960, 2999, 3330, 3552, 3840, 4440, 4736, 5328, 5760, 5920, 5998, 6660, 7104, 8880, 8997, 9472, 10656, 11520, 11840, 11996, 13320, 14208, 14995, 17760, 17994, 21312, 23680, 23992, 26640, 26991, 28416, 29990, 35520, 35988, 42624, 44985, 47360, 47984, 53280, 53982, 59980, 71040, 71976, 85248, 89970, 95968, 106560, 107964, 110963, 119960, 134955, 142080, 143952, 179940, 191936, 213120, 215928, 221926, 239920, 269910, 287904, 332889, 359880, 383872, 426240, 431856, 443852, 479840, 539820, 554815, 575808, 665778, 719760, 767744, 863712, 887704, 959680, 998667, 1079640, 1109630, 1151616, 1331556, 1439520, 1664445, 1727424, 1775408, 1919360, 1997334, 2159280, 2219260, 2303232, 2663112, 2879040, 3328890, 3454848, 3550816, 3838720, 3994668, 4318560, 4438520, 4993335, 5326224, 5758080, 6657780, 6909696, 7101632, 7989336, 8637120, 8877040, 9986670, 10652448, 11516160, 13315560, 14203264, 15978672, 17274240, 17754080, 19973340, 21304896, 26631120, 28406528, 31957344, 34548480, 35508160, 39946680, 42609792, 53262240, 63914688, 71016320, 79893360, 85219584, 106524480, 127829376, 142032640, 159786720, 213048960, 255658752, 319573440, 426097920, 639146880, 1278293760]

約数ペア:

[(1, 1278293760), (2, 639146880), (3, 426097920), (4, 319573440), (5, 255658752), (6, 213048960), (8, 159786720), (9, 142032640), (10, 127829376), (12, 106524480), (15, 85219584), (16, 79893360), (18, 71016320), (20, 63914688), (24, 53262240), (30, 42609792), (32, 39946680), (36, 35508160), (37, 34548480), (40, 31957344), (45, 28406528), (48, 26631120), (60, 21304896), (64, 19973340), (72, 17754080), (74, 17274240), (80, 15978672), (90, 14203264), (96, 13315560), (111, 11516160), (120, 10652448), (128, 9986670), (144, 8877040), (148, 8637120), (160, 7989336), (180, 7101632), (185, 6909696), (192, 6657780), (222, 5758080), (240, 5326224), (256, 4993335), (288, 4438520), (296, 4318560), (320, 3994668), (333, 3838720), (360, 3550816), (370, 3454848), (384, 3328890), (444, 2879040), (480, 2663112), (555, 2303232), (576, 2219260), (592, 2159280), (640, 1997334), (666, 1919360), (720, 1775408), (740, 1727424), (768, 1664445), (888, 1439520), (960, 1331556), (1110, 1151616), (1152, 1109630), (1184, 1079640), (1280, 998667), (1332, 959680), (1440, 887704), (1480, 863712), (1665, 767744), (1776, 719760), (1920, 665778), (2220, 575808), (2304, 554815), (2368, 539820), (2664, 479840), (2880, 443852), (2960, 431856), (2999, 426240), (3330, 383872), (3552, 359880), (3840, 332889), (4440, 287904), (4736, 269910), (5328, 239920), (5760, 221926), (5920, 215928), (5998, 213120), (6660, 191936), (7104, 179940), (8880, 143952), (8997, 142080), (9472, 134955), (10656, 119960), (11520, 110963), (11840, 107964), (11996, 106560), (13320, 95968), (14208, 89970), (14995, 85248), (17760, 71976), (17994, 71040), (21312, 59980), (23680, 53982), (23992, 53280), (26640, 47984), (26991, 47360), (28416, 44985), (29990, 42624), (35520, 35988)]