212887260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2460

約数の個数: 144

約数和(自身を含む): 707616000

約数和(自身を除く): 494728740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 2399, 2465, 2610, 2958, 3060, 4437, 4798, 4930, 5220, 5916, 7197, 7395, 8874, 9596, 9860, 11995, 14394, 14790, 17748, 21591, 22185, 23990, 28788, 29580, 35985, 40783, 43182, 44370, 47980, 69571, 71970, 81566, 86364, 88740, 107955, 122349, 139142, 143940, 163132, 203915, 208713, 215910, 244698, 278284, 347855, 367047, 407830, 417426, 431820, 489396, 611745, 626139, 695710, 734094, 815660, 834852, 1043565, 1182707, 1223490, 1252278, 1391420, 1468188, 1835235, 2087130, 2365414, 2446980, 2504556, 3130695, 3548121, 3670470, 4174260, 4730828, 5913535, 6261390, 7096242, 7340940, 10644363, 11827070, 12522780, 14192484, 17740605, 21288726, 23654140, 35481210, 42577452, 53221815, 70962420, 106443630, 212887260]

約数ペア:

[(1, 212887260), (2, 106443630), (3, 70962420), (4, 53221815), (5, 42577452), (6, 35481210), (9, 23654140), (10, 21288726), (12, 17740605), (15, 14192484), (17, 12522780), (18, 11827070), (20, 10644363), (29, 7340940), (30, 7096242), (34, 6261390), (36, 5913535), (45, 4730828), (51, 4174260), (58, 3670470), (60, 3548121), (68, 3130695), (85, 2504556), (87, 2446980), (90, 2365414), (102, 2087130), (116, 1835235), (145, 1468188), (153, 1391420), (170, 1252278), (174, 1223490), (180, 1182707), (204, 1043565), (255, 834852), (261, 815660), (290, 734094), (306, 695710), (340, 626139), (348, 611745), (435, 489396), (493, 431820), (510, 417426), (522, 407830), (580, 367047), (612, 347855), (765, 278284), (870, 244698), (986, 215910), (1020, 208713), (1044, 203915), (1305, 163132), (1479, 143940), (1530, 139142), (1740, 122349), (1972, 107955), (2399, 88740), (2465, 86364), (2610, 81566), (2958, 71970), (3060, 69571), (4437, 47980), (4798, 44370), (4930, 43182), (5220, 40783), (5916, 35985), (7197, 29580), (7395, 28788), (8874, 23990), (9596, 22185), (9860, 21591), (11995, 17748), (14394, 14790)]