91821420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 303252768

約数和(自身を除く): 211431348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 666, 740, 765, 811, 1020, 1110, 1258, 1332, 1530, 1622, 1665, 1887, 2220, 2433, 2516, 3060, 3145, 3244, 3330, 3774, 4055, 4866, 5661, 6290, 6660, 7299, 7548, 8110, 9435, 9732, 11322, 12165, 12580, 13787, 14598, 16220, 18870, 22644, 24330, 27574, 28305, 29196, 30007, 36495, 37740, 41361, 48660, 55148, 56610, 60014, 68935, 72990, 82722, 90021, 113220, 120028, 124083, 137870, 145980, 150035, 165444, 180042, 206805, 248166, 270063, 275740, 300070, 360084, 413610, 450105, 496332, 510119, 540126, 600140, 620415, 827220, 900210, 1020238, 1080252, 1240830, 1350315, 1530357, 1800420, 2040476, 2481660, 2550595, 2700630, 3060714, 4591071, 5101190, 5401260, 6121428, 7651785, 9182142, 10202380, 15303570, 18364284, 22955355, 30607140, 45910710, 91821420]

約数ペア:

[(1, 91821420), (2, 45910710), (3, 30607140), (4, 22955355), (5, 18364284), (6, 15303570), (9, 10202380), (10, 9182142), (12, 7651785), (15, 6121428), (17, 5401260), (18, 5101190), (20, 4591071), (30, 3060714), (34, 2700630), (36, 2550595), (37, 2481660), (45, 2040476), (51, 1800420), (60, 1530357), (68, 1350315), (74, 1240830), (85, 1080252), (90, 1020238), (102, 900210), (111, 827220), (148, 620415), (153, 600140), (170, 540126), (180, 510119), (185, 496332), (204, 450105), (222, 413610), (255, 360084), (306, 300070), (333, 275740), (340, 270063), (370, 248166), (444, 206805), (510, 180042), (555, 165444), (612, 150035), (629, 145980), (666, 137870), (740, 124083), (765, 120028), (811, 113220), (1020, 90021), (1110, 82722), (1258, 72990), (1332, 68935), (1530, 60014), (1622, 56610), (1665, 55148), (1887, 48660), (2220, 41361), (2433, 37740), (2516, 36495), (3060, 30007), (3145, 29196), (3244, 28305), (3330, 27574), (3774, 24330), (4055, 22644), (4866, 18870), (5661, 16220), (6290, 14598), (6660, 13787), (7299, 12580), (7548, 12165), (8110, 11322), (9435, 9732)]