90123120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 330782400

約数和(自身を除く): 240659280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 48, 51, 60, 68, 72, 74, 80, 85, 90, 102, 111, 120, 136, 144, 148, 153, 170, 180, 185, 199, 204, 222, 240, 255, 272, 296, 306, 333, 340, 360, 370, 398, 408, 444, 510, 555, 592, 597, 612, 629, 666, 680, 720, 740, 765, 796, 816, 888, 995, 1020, 1110, 1194, 1224, 1258, 1332, 1360, 1480, 1530, 1592, 1665, 1776, 1791, 1887, 1990, 2040, 2220, 2388, 2448, 2516, 2664, 2960, 2985, 3060, 3145, 3184, 3330, 3383, 3582, 3774, 3980, 4080, 4440, 4776, 5032, 5328, 5661, 5970, 6120, 6290, 6660, 6766, 7164, 7363, 7548, 7960, 8880, 8955, 9435, 9552, 10064, 10149, 11322, 11940, 12240, 12580, 13320, 13532, 14328, 14726, 15096, 15920, 16915, 17910, 18870, 20298, 22089, 22644, 23880, 25160, 26640, 27064, 28305, 28656, 29452, 30192, 30447, 33830, 35820, 36815, 37740, 40596, 44178, 45288, 47760, 50320, 50745, 54128, 56610, 58904, 60894, 66267, 67660, 71640, 73630, 75480, 81192, 88356, 90576, 101490, 110445, 113220, 117808, 121788, 125171, 132534, 135320, 143280, 147260, 150960, 152235, 162384, 176712, 202980, 220890, 226440, 243576, 250342, 265068, 270640, 294520, 304470, 331335, 353424, 375513, 405960, 441780, 452880, 487152, 500684, 530136, 589040, 608940, 625855, 662670, 751026, 811920, 883560, 1001368, 1060272, 1126539, 1217880, 1251710, 1325340, 1502052, 1767120, 1877565, 2002736, 2253078, 2435760, 2503420, 2650680, 3004104, 3755130, 4506156, 5006840, 5301360, 5632695, 6008208, 7510260, 9012312, 10013680, 11265390, 15020520, 18024624, 22530780, 30041040, 45061560, 90123120]

約数ペア:

[(1, 90123120), (2, 45061560), (3, 30041040), (4, 22530780), (5, 18024624), (6, 15020520), (8, 11265390), (9, 10013680), (10, 9012312), (12, 7510260), (15, 6008208), (16, 5632695), (17, 5301360), (18, 5006840), (20, 4506156), (24, 3755130), (30, 3004104), (34, 2650680), (36, 2503420), (37, 2435760), (40, 2253078), (45, 2002736), (48, 1877565), (51, 1767120), (60, 1502052), (68, 1325340), (72, 1251710), (74, 1217880), (80, 1126539), (85, 1060272), (90, 1001368), (102, 883560), (111, 811920), (120, 751026), (136, 662670), (144, 625855), (148, 608940), (153, 589040), (170, 530136), (180, 500684), (185, 487152), (199, 452880), (204, 441780), (222, 405960), (240, 375513), (255, 353424), (272, 331335), (296, 304470), (306, 294520), (333, 270640), (340, 265068), (360, 250342), (370, 243576), (398, 226440), (408, 220890), (444, 202980), (510, 176712), (555, 162384), (592, 152235), (597, 150960), (612, 147260), (629, 143280), (666, 135320), (680, 132534), (720, 125171), (740, 121788), (765, 117808), (796, 113220), (816, 110445), (888, 101490), (995, 90576), (1020, 88356), (1110, 81192), (1194, 75480), (1224, 73630), (1258, 71640), (1332, 67660), (1360, 66267), (1480, 60894), (1530, 58904), (1592, 56610), (1665, 54128), (1776, 50745), (1791, 50320), (1887, 47760), (1990, 45288), (2040, 44178), (2220, 40596), (2388, 37740), (2448, 36815), (2516, 35820), (2664, 33830), (2960, 30447), (2985, 30192), (3060, 29452), (3145, 28656), (3184, 28305), (3330, 27064), (3383, 26640), (3582, 25160), (3774, 23880), (3980, 22644), (4080, 22089), (4440, 20298), (4776, 18870), (5032, 17910), (5328, 16915), (5661, 15920), (5970, 15096), (6120, 14726), (6290, 14328), (6660, 13532), (6766, 13320), (7164, 12580), (7363, 12240), (7548, 11940), (7960, 11322), (8880, 10149), (8955, 10064), (9435, 9552)]