21136852080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{19403}}^1$

素因数の和:19528

約数の個数: 240

約数和(自身を含む): 76008572640

約数和(自身を除く): 54871720560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 89, 90, 102, 120, 136, 144, 153, 170, 178, 180, 204, 240, 255, 267, 272, 306, 340, 356, 360, 408, 445, 510, 534, 612, 680, 712, 720, 765, 801, 816, 890, 1020, 1068, 1224, 1335, 1360, 1424, 1513, 1530, 1602, 1780, 2040, 2136, 2448, 2670, 3026, 3060, 3204, 3560, 4005, 4080, 4272, 4539, 5340, 6052, 6120, 6408, 7120, 7565, 8010, 9078, 10680, 12104, 12240, 12816, 13617, 15130, 16020, 18156, 19403, 21360, 22695, 24208, 27234, 30260, 32040, 36312, 38806, 45390, 54468, 58209, 60520, 64080, 68085, 72624, 77612, 90780, 97015, 108936, 116418, 121040, 136170, 155224, 174627, 181560, 194030, 217872, 232836, 272340, 291045, 310448, 329851, 349254, 363120, 388060, 465672, 544680, 582090, 659702, 698508, 776120, 873135, 931344, 989553, 1089360, 1164180, 1319404, 1397016, 1552240, 1649255, 1726867, 1746270, 1979106, 2328360, 2638808, 2794032, 2968659, 3298510, 3453734, 3492540, 3958212, 4656720, 4947765, 5180601, 5277616, 5937318, 6597020, 6907468, 6985080, 7916424, 8634335, 9895530, 10361202, 11874636, 13194040, 13814936, 13970160, 14843295, 15541803, 15832848, 17268670, 19791060, 20722404, 23749272, 25903005, 26388080, 27629872, 29356739, 29686590, 31083606, 34537340, 39582120, 41444808, 47498544, 51806010, 58713478, 59373180, 62167212, 69074680, 77709015, 79164240, 82889616, 88070217, 103612020, 117426956, 118746360, 124334424, 138149360, 146783695, 155418030, 176140434, 207224040, 234853912, 237492720, 248668848, 264210651, 293567390, 310836060, 352280868, 414448080, 440351085, 469707824, 528421302, 587134780, 621672120, 704561736, 880702170, 1056842604, 1174269560, 1243344240, 1321053255, 1409123472, 1761404340, 2113685208, 2348539120, 2642106510, 3522808680, 4227370416, 5284213020, 7045617360, 10568426040, 21136852080]

約数ペア:

[(1, 21136852080), (2, 10568426040), (3, 7045617360), (4, 5284213020), (5, 4227370416), (6, 3522808680), (8, 2642106510), (9, 2348539120), (10, 2113685208), (12, 1761404340), (15, 1409123472), (16, 1321053255), (17, 1243344240), (18, 1174269560), (20, 1056842604), (24, 880702170), (30, 704561736), (34, 621672120), (36, 587134780), (40, 528421302), (45, 469707824), (48, 440351085), (51, 414448080), (60, 352280868), (68, 310836060), (72, 293567390), (80, 264210651), (85, 248668848), (89, 237492720), (90, 234853912), (102, 207224040), (120, 176140434), (136, 155418030), (144, 146783695), (153, 138149360), (170, 124334424), (178, 118746360), (180, 117426956), (204, 103612020), (240, 88070217), (255, 82889616), (267, 79164240), (272, 77709015), (306, 69074680), (340, 62167212), (356, 59373180), (360, 58713478), (408, 51806010), (445, 47498544), (510, 41444808), (534, 39582120), (612, 34537340), (680, 31083606), (712, 29686590), (720, 29356739), (765, 27629872), (801, 26388080), (816, 25903005), (890, 23749272), (1020, 20722404), (1068, 19791060), (1224, 17268670), (1335, 15832848), (1360, 15541803), (1424, 14843295), (1513, 13970160), (1530, 13814936), (1602, 13194040), (1780, 11874636), (2040, 10361202), (2136, 9895530), (2448, 8634335), (2670, 7916424), (3026, 6985080), (3060, 6907468), (3204, 6597020), (3560, 5937318), (4005, 5277616), (4080, 5180601), (4272, 4947765), (4539, 4656720), (5340, 3958212), (6052, 3492540), (6120, 3453734), (6408, 3298510), (7120, 2968659), (7565, 2794032), (8010, 2638808), (9078, 2328360), (10680, 1979106), (12104, 1746270), (12240, 1726867), (12816, 1649255), (13617, 1552240), (15130, 1397016), (16020, 1319404), (18156, 1164180), (19403, 1089360), (21360, 989553), (22695, 931344), (24208, 873135), (27234, 776120), (30260, 698508), (32040, 659702), (36312, 582090), (38806, 544680), (45390, 465672), (54468, 388060), (58209, 363120), (60520, 349254), (64080, 329851), (68085, 310448), (72624, 291045), (77612, 272340), (90780, 232836), (97015, 217872), (108936, 194030), (116418, 181560), (121040, 174627), (136170, 155224)]