20968840800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{153281}}^1$

素因数の和:153326

約数の個数: 216

約数和(自身を含む): 77833533960

約数和(自身を除く): 56864693160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1440, 1520, 1710, 1800, 1824, 1900, 2280, 2400, 2736, 2850, 3040, 3420, 3600, 3800, 4275, 4560, 5472, 5700, 6840, 7200, 7600, 8550, 9120, 11400, 13680, 15200, 17100, 22800, 27360, 34200, 45600, 68400, 136800, 153281, 306562, 459843, 613124, 766405, 919686, 1226248, 1379529, 1532810, 1839372, 2299215, 2452496, 2759058, 2912339, 3065620, 3678744, 3832025, 4598430, 4904992, 5518116, 5824678, 6131240, 6897645, 7357488, 7664050, 8737017, 9196860, 11036232, 11496075, 11649356, 12262480, 13795290, 14561695, 14714976, 15328100, 17474034, 18393720, 22072464, 22992150, 23298712, 24524960, 26211051, 27590580, 29123390, 30656200, 34488225, 34948068, 36787440, 43685085, 44144928, 45984300, 46597424, 52422102, 55181160, 58246780, 61312400, 68976450, 69896136, 72808475, 73574880, 87370170, 91968600, 93194848, 104844204, 110362320, 116493560, 122624800, 131055255, 137952900, 139792272, 145616950, 174740340, 183937200, 209688408, 218425425, 220724640, 232987120, 262110510, 275905800, 279584544, 291233900, 349480680, 367874400, 419376816, 436850850, 465974240, 524221020, 551811600, 582467800, 655276275, 698961360, 838753632, 873701700, 1048442040, 1103623200, 1164935600, 1310552550, 1397922720, 1747403400, 2096884080, 2329871200, 2621105100, 3494806800, 4193768160, 5242210200, 6989613600, 10484420400, 20968840800]

約数ペア:

[(1, 20968840800), (2, 10484420400), (3, 6989613600), (4, 5242210200), (5, 4193768160), (6, 3494806800), (8, 2621105100), (9, 2329871200), (10, 2096884080), (12, 1747403400), (15, 1397922720), (16, 1310552550), (18, 1164935600), (19, 1103623200), (20, 1048442040), (24, 873701700), (25, 838753632), (30, 698961360), (32, 655276275), (36, 582467800), (38, 551811600), (40, 524221020), (45, 465974240), (48, 436850850), (50, 419376816), (57, 367874400), (60, 349480680), (72, 291233900), (75, 279584544), (76, 275905800), (80, 262110510), (90, 232987120), (95, 220724640), (96, 218425425), (100, 209688408), (114, 183937200), (120, 174740340), (144, 145616950), (150, 139792272), (152, 137952900), (160, 131055255), (171, 122624800), (180, 116493560), (190, 110362320), (200, 104844204), (225, 93194848), (228, 91968600), (240, 87370170), (285, 73574880), (288, 72808475), (300, 69896136), (304, 68976450), (342, 61312400), (360, 58246780), (380, 55181160), (400, 52422102), (450, 46597424), (456, 45984300), (475, 44144928), (480, 43685085), (570, 36787440), (600, 34948068), (608, 34488225), (684, 30656200), (720, 29123390), (760, 27590580), (800, 26211051), (855, 24524960), (900, 23298712), (912, 22992150), (950, 22072464), (1140, 18393720), (1200, 17474034), (1368, 15328100), (1425, 14714976), (1440, 14561695), (1520, 13795290), (1710, 12262480), (1800, 11649356), (1824, 11496075), (1900, 11036232), (2280, 9196860), (2400, 8737017), (2736, 7664050), (2850, 7357488), (3040, 6897645), (3420, 6131240), (3600, 5824678), (3800, 5518116), (4275, 4904992), (4560, 4598430), (5472, 3832025), (5700, 3678744), (6840, 3065620), (7200, 2912339), (7600, 2759058), (8550, 2452496), (9120, 2299215), (11400, 1839372), (13680, 1532810), (15200, 1379529), (17100, 1226248), (22800, 919686), (27360, 766405), (34200, 613124), (45600, 459843), (68400, 306562), (136800, 153281)]