68902020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 254741760

約数和(自身を除く): 185839740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 23, 30, 33, 34, 36, 44, 45, 46, 51, 55, 60, 66, 68, 69, 85, 89, 90, 92, 99, 102, 110, 115, 132, 138, 153, 165, 170, 178, 180, 187, 198, 204, 207, 220, 230, 253, 255, 267, 276, 306, 330, 340, 345, 356, 374, 391, 396, 414, 445, 460, 495, 506, 510, 534, 561, 612, 660, 690, 748, 759, 765, 782, 801, 828, 890, 935, 979, 990, 1012, 1020, 1035, 1068, 1122, 1173, 1265, 1335, 1380, 1513, 1518, 1530, 1564, 1602, 1683, 1780, 1870, 1955, 1958, 1980, 2047, 2070, 2244, 2277, 2346, 2530, 2670, 2805, 2937, 3026, 3036, 3060, 3204, 3366, 3519, 3740, 3795, 3910, 3916, 4005, 4094, 4140, 4301, 4539, 4554, 4692, 4895, 5060, 5340, 5610, 5865, 5874, 6052, 6141, 6732, 7038, 7565, 7590, 7820, 8010, 8188, 8415, 8602, 8811, 9078, 9108, 9790, 10235, 11220, 11385, 11730, 11748, 12282, 12903, 13617, 14076, 14685, 15130, 15180, 16020, 16643, 16830, 17204, 17595, 17622, 18156, 18423, 19580, 20470, 21505, 22517, 22695, 22770, 23460, 24564, 25806, 27234, 29370, 30260, 30705, 33286, 33660, 34799, 35190, 35244, 36846, 38709, 40940, 43010, 44055, 45034, 45390, 45540, 49929, 51612, 54468, 58740, 61410, 64515, 66572, 67551, 68085, 69598, 70380, 73692, 77418, 83215, 86020, 88110, 90068, 90780, 92115, 99858, 104397, 112585, 122820, 129030, 135102, 136170, 139196, 149787, 154836, 166430, 173995, 176220, 184230, 193545, 199716, 202653, 208794, 225170, 249645, 258060, 270204, 272340, 299574, 313191, 332860, 337755, 347990, 368460, 382789, 387090, 405306, 417588, 450340, 499290, 521985, 599148, 626382, 675510, 695980, 748935, 765578, 774180, 810612, 998580, 1013265, 1043970, 1148367, 1252764, 1351020, 1497870, 1531156, 1565955, 1913945, 2026530, 2087940, 2296734, 2995740, 3131910, 3445101, 3827890, 4053060, 4593468, 5741835, 6263820, 6890202, 7655780, 11483670, 13780404, 17225505, 22967340, 34451010, 68902020]

約数ペア:

[(1, 68902020), (2, 34451010), (3, 22967340), (4, 17225505), (5, 13780404), (6, 11483670), (9, 7655780), (10, 6890202), (11, 6263820), (12, 5741835), (15, 4593468), (17, 4053060), (18, 3827890), (20, 3445101), (22, 3131910), (23, 2995740), (30, 2296734), (33, 2087940), (34, 2026530), (36, 1913945), (44, 1565955), (45, 1531156), (46, 1497870), (51, 1351020), (55, 1252764), (60, 1148367), (66, 1043970), (68, 1013265), (69, 998580), (85, 810612), (89, 774180), (90, 765578), (92, 748935), (99, 695980), (102, 675510), (110, 626382), (115, 599148), (132, 521985), (138, 499290), (153, 450340), (165, 417588), (170, 405306), (178, 387090), (180, 382789), (187, 368460), (198, 347990), (204, 337755), (207, 332860), (220, 313191), (230, 299574), (253, 272340), (255, 270204), (267, 258060), (276, 249645), (306, 225170), (330, 208794), (340, 202653), (345, 199716), (356, 193545), (374, 184230), (391, 176220), (396, 173995), (414, 166430), (445, 154836), (460, 149787), (495, 139196), (506, 136170), (510, 135102), (534, 129030), (561, 122820), (612, 112585), (660, 104397), (690, 99858), (748, 92115), (759, 90780), (765, 90068), (782, 88110), (801, 86020), (828, 83215), (890, 77418), (935, 73692), (979, 70380), (990, 69598), (1012, 68085), (1020, 67551), (1035, 66572), (1068, 64515), (1122, 61410), (1173, 58740), (1265, 54468), (1335, 51612), (1380, 49929), (1513, 45540), (1518, 45390), (1530, 45034), (1564, 44055), (1602, 43010), (1683, 40940), (1780, 38709), (1870, 36846), (1955, 35244), (1958, 35190), (1980, 34799), (2047, 33660), (2070, 33286), (2244, 30705), (2277, 30260), (2346, 29370), (2530, 27234), (2670, 25806), (2805, 24564), (2937, 23460), (3026, 22770), (3036, 22695), (3060, 22517), (3204, 21505), (3366, 20470), (3519, 19580), (3740, 18423), (3795, 18156), (3910, 17622), (3916, 17595), (4005, 17204), (4094, 16830), (4140, 16643), (4301, 16020), (4539, 15180), (4554, 15130), (4692, 14685), (4895, 14076), (5060, 13617), (5340, 12903), (5610, 12282), (5865, 11748), (5874, 11730), (6052, 11385), (6141, 11220), (6732, 10235), (7038, 9790), (7565, 9108), (7590, 9078), (7820, 8811), (8010, 8602), (8188, 8415)]