261272880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2999}}^1$

素因数の和:3040

約数の個数: 180

約数和(自身を含む): 964782000

約数和(自身を除く): 703509120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 2178, 2420, 2640, 2904, 2999, 3630, 3960, 4356, 4840, 5445, 5808, 5998, 7260, 7920, 8712, 8997, 9680, 10890, 11996, 14520, 14995, 17424, 17994, 21780, 23992, 26991, 29040, 29990, 32989, 35988, 43560, 44985, 47984, 53982, 59980, 65978, 71976, 87120, 89970, 98967, 107964, 119960, 131956, 134955, 143952, 164945, 179940, 197934, 215928, 239920, 263912, 269910, 296901, 329890, 359880, 362879, 395868, 431856, 494835, 527824, 539820, 593802, 659780, 719760, 725758, 791736, 989670, 1079640, 1088637, 1187604, 1319560, 1451516, 1484505, 1583472, 1814395, 1979340, 2159280, 2177274, 2375208, 2639120, 2903032, 2969010, 3265911, 3628790, 3958680, 4354548, 4750416, 5443185, 5806064, 5938020, 6531822, 7257580, 7917360, 8709096, 10886370, 11876040, 13063644, 14515160, 16329555, 17418192, 21772740, 23752080, 26127288, 29030320, 32659110, 43545480, 52254576, 65318220, 87090960, 130636440, 261272880]

約数ペア:

[(1, 261272880), (2, 130636440), (3, 87090960), (4, 65318220), (5, 52254576), (6, 43545480), (8, 32659110), (9, 29030320), (10, 26127288), (11, 23752080), (12, 21772740), (15, 17418192), (16, 16329555), (18, 14515160), (20, 13063644), (22, 11876040), (24, 10886370), (30, 8709096), (33, 7917360), (36, 7257580), (40, 6531822), (44, 5938020), (45, 5806064), (48, 5443185), (55, 4750416), (60, 4354548), (66, 3958680), (72, 3628790), (80, 3265911), (88, 2969010), (90, 2903032), (99, 2639120), (110, 2375208), (120, 2177274), (121, 2159280), (132, 1979340), (144, 1814395), (165, 1583472), (176, 1484505), (180, 1451516), (198, 1319560), (220, 1187604), (240, 1088637), (242, 1079640), (264, 989670), (330, 791736), (360, 725758), (363, 719760), (396, 659780), (440, 593802), (484, 539820), (495, 527824), (528, 494835), (605, 431856), (660, 395868), (720, 362879), (726, 359880), (792, 329890), (880, 296901), (968, 269910), (990, 263912), (1089, 239920), (1210, 215928), (1320, 197934), (1452, 179940), (1584, 164945), (1815, 143952), (1936, 134955), (1980, 131956), (2178, 119960), (2420, 107964), (2640, 98967), (2904, 89970), (2999, 87120), (3630, 71976), (3960, 65978), (4356, 59980), (4840, 53982), (5445, 47984), (5808, 44985), (5998, 43560), (7260, 35988), (7920, 32989), (8712, 29990), (8997, 29040), (9680, 26991), (10890, 23992), (11996, 21780), (14520, 17994), (14995, 17424)]