291239340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 288

約数和(自身を含む): 1020418560

約数和(自身を除く): 729179220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 59, 60, 69, 70, 73, 84, 92, 98, 105, 115, 118, 138, 140, 146, 147, 161, 177, 196, 210, 219, 230, 236, 245, 276, 292, 294, 295, 322, 345, 354, 365, 413, 420, 438, 460, 483, 490, 511, 588, 590, 644, 690, 708, 730, 735, 805, 826, 876, 885, 966, 980, 1022, 1095, 1127, 1180, 1239, 1357, 1380, 1460, 1470, 1533, 1610, 1652, 1679, 1770, 1932, 2044, 2065, 2190, 2254, 2415, 2478, 2555, 2714, 2891, 2940, 3066, 3220, 3358, 3381, 3540, 3577, 4071, 4130, 4307, 4380, 4508, 4830, 4956, 5037, 5110, 5428, 5635, 5782, 6132, 6195, 6716, 6762, 6785, 7154, 7665, 8142, 8260, 8395, 8614, 8673, 9499, 9660, 10074, 10220, 10731, 11270, 11564, 11753, 12390, 12921, 13524, 13570, 14308, 14455, 15330, 16284, 16790, 16905, 17228, 17346, 17885, 18998, 20148, 20355, 21462, 21535, 22540, 23506, 24780, 25185, 25842, 27140, 28497, 28910, 30149, 30660, 33580, 33810, 34692, 35259, 35770, 37996, 40710, 42924, 43070, 43365, 47012, 47495, 50370, 51684, 53655, 56994, 57820, 58765, 60298, 64605, 66493, 67620, 70518, 71540, 81420, 82271, 86140, 86730, 90447, 94990, 99061, 100740, 107310, 113988, 117530, 120596, 129210, 132986, 141036, 142485, 150745, 164542, 173460, 176295, 180894, 189980, 198122, 199479, 211043, 214620, 235060, 246813, 258420, 265972, 284970, 297183, 301490, 329084, 332465, 352590, 361788, 396244, 398958, 411355, 422086, 452235, 493626, 495305, 569940, 594366, 602980, 633129, 664930, 693427, 705180, 797916, 822710, 844172, 904470, 987252, 990610, 997395, 1055215, 1188732, 1234065, 1266258, 1329860, 1386854, 1485915, 1645420, 1808940, 1981220, 1994790, 2080281, 2110430, 2468130, 2532516, 2773708, 2971830, 3165645, 3467135, 3989580, 4160562, 4220860, 4853989, 4936260, 5943660, 6331290, 6934270, 8321124, 9707978, 10401405, 12662580, 13868540, 14561967, 19415956, 20802810, 24269945, 29123934, 41605620, 48539890, 58247868, 72809835, 97079780, 145619670, 291239340]

約数ペア:

[(1, 291239340), (2, 145619670), (3, 97079780), (4, 72809835), (5, 58247868), (6, 48539890), (7, 41605620), (10, 29123934), (12, 24269945), (14, 20802810), (15, 19415956), (20, 14561967), (21, 13868540), (23, 12662580), (28, 10401405), (30, 9707978), (35, 8321124), (42, 6934270), (46, 6331290), (49, 5943660), (59, 4936260), (60, 4853989), (69, 4220860), (70, 4160562), (73, 3989580), (84, 3467135), (92, 3165645), (98, 2971830), (105, 2773708), (115, 2532516), (118, 2468130), (138, 2110430), (140, 2080281), (146, 1994790), (147, 1981220), (161, 1808940), (177, 1645420), (196, 1485915), (210, 1386854), (219, 1329860), (230, 1266258), (236, 1234065), (245, 1188732), (276, 1055215), (292, 997395), (294, 990610), (295, 987252), (322, 904470), (345, 844172), (354, 822710), (365, 797916), (413, 705180), (420, 693427), (438, 664930), (460, 633129), (483, 602980), (490, 594366), (511, 569940), (588, 495305), (590, 493626), (644, 452235), (690, 422086), (708, 411355), (730, 398958), (735, 396244), (805, 361788), (826, 352590), (876, 332465), (885, 329084), (966, 301490), (980, 297183), (1022, 284970), (1095, 265972), (1127, 258420), (1180, 246813), (1239, 235060), (1357, 214620), (1380, 211043), (1460, 199479), (1470, 198122), (1533, 189980), (1610, 180894), (1652, 176295), (1679, 173460), (1770, 164542), (1932, 150745), (2044, 142485), (2065, 141036), (2190, 132986), (2254, 129210), (2415, 120596), (2478, 117530), (2555, 113988), (2714, 107310), (2891, 100740), (2940, 99061), (3066, 94990), (3220, 90447), (3358, 86730), (3381, 86140), (3540, 82271), (3577, 81420), (4071, 71540), (4130, 70518), (4307, 67620), (4380, 66493), (4508, 64605), (4830, 60298), (4956, 58765), (5037, 57820), (5110, 56994), (5428, 53655), (5635, 51684), (5782, 50370), (6132, 47495), (6195, 47012), (6716, 43365), (6762, 43070), (6785, 42924), (7154, 40710), (7665, 37996), (8142, 35770), (8260, 35259), (8395, 34692), (8614, 33810), (8673, 33580), (9499, 30660), (9660, 30149), (10074, 28910), (10220, 28497), (10731, 27140), (11270, 25842), (11564, 25185), (11753, 24780), (12390, 23506), (12921, 22540), (13524, 21535), (13570, 21462), (14308, 20355), (14455, 20148), (15330, 18998), (16284, 17885), (16790, 17346), (16905, 17228)]