1818965520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 240

約数和(自身を含む): 6262813440

約数和(自身を除く): 4443847920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 113, 120, 144, 158, 180, 226, 237, 240, 283, 316, 339, 360, 395, 452, 474, 565, 566, 632, 678, 711, 720, 790, 849, 904, 948, 1017, 1130, 1132, 1185, 1264, 1356, 1415, 1422, 1580, 1695, 1698, 1808, 1896, 2034, 2260, 2264, 2370, 2547, 2712, 2830, 2844, 3160, 3390, 3396, 3555, 3792, 4068, 4245, 4520, 4528, 4740, 5085, 5094, 5424, 5660, 5688, 6320, 6780, 6792, 7110, 8136, 8490, 8927, 9040, 9480, 10170, 10188, 11320, 11376, 12735, 13560, 13584, 14220, 16272, 16980, 17854, 18960, 20340, 20376, 22357, 22640, 25470, 26781, 27120, 28440, 31979, 33960, 35708, 40680, 40752, 44635, 44714, 50940, 53562, 56880, 63958, 67071, 67920, 71416, 80343, 81360, 89270, 89428, 95937, 101880, 107124, 111785, 127916, 133905, 134142, 142832, 159895, 160686, 178540, 178856, 191874, 201213, 203760, 214248, 223570, 255832, 267810, 268284, 287811, 319790, 321372, 335355, 357080, 357712, 383748, 401715, 402426, 428496, 447140, 479685, 511664, 535620, 536568, 575622, 639580, 642744, 670710, 714160, 767496, 803430, 804852, 894280, 959370, 1006065, 1071240, 1073136, 1151244, 1279160, 1285488, 1341420, 1439055, 1534992, 1606860, 1609704, 1788560, 1918740, 2012130, 2142480, 2302488, 2526341, 2558320, 2682840, 2878110, 3213720, 3219408, 3837480, 4024260, 4604976, 5052682, 5365680, 5756220, 6427440, 7579023, 7674960, 8048520, 10105364, 11512440, 12631705, 15158046, 16097040, 20210728, 22737069, 23024880, 25263410, 30316092, 37895115, 40421456, 45474138, 50526820, 60632184, 75790230, 90948276, 101053640, 113685345, 121264368, 151580460, 181896552, 202107280, 227370690, 303160920, 363793104, 454741380, 606321840, 909482760, 1818965520]

約数ペア:

[(1, 1818965520), (2, 909482760), (3, 606321840), (4, 454741380), (5, 363793104), (6, 303160920), (8, 227370690), (9, 202107280), (10, 181896552), (12, 151580460), (15, 121264368), (16, 113685345), (18, 101053640), (20, 90948276), (24, 75790230), (30, 60632184), (36, 50526820), (40, 45474138), (45, 40421456), (48, 37895115), (60, 30316092), (72, 25263410), (79, 23024880), (80, 22737069), (90, 20210728), (113, 16097040), (120, 15158046), (144, 12631705), (158, 11512440), (180, 10105364), (226, 8048520), (237, 7674960), (240, 7579023), (283, 6427440), (316, 5756220), (339, 5365680), (360, 5052682), (395, 4604976), (452, 4024260), (474, 3837480), (565, 3219408), (566, 3213720), (632, 2878110), (678, 2682840), (711, 2558320), (720, 2526341), (790, 2302488), (849, 2142480), (904, 2012130), (948, 1918740), (1017, 1788560), (1130, 1609704), (1132, 1606860), (1185, 1534992), (1264, 1439055), (1356, 1341420), (1415, 1285488), (1422, 1279160), (1580, 1151244), (1695, 1073136), (1698, 1071240), (1808, 1006065), (1896, 959370), (2034, 894280), (2260, 804852), (2264, 803430), (2370, 767496), (2547, 714160), (2712, 670710), (2830, 642744), (2844, 639580), (3160, 575622), (3390, 536568), (3396, 535620), (3555, 511664), (3792, 479685), (4068, 447140), (4245, 428496), (4520, 402426), (4528, 401715), (4740, 383748), (5085, 357712), (5094, 357080), (5424, 335355), (5660, 321372), (5688, 319790), (6320, 287811), (6780, 268284), (6792, 267810), (7110, 255832), (8136, 223570), (8490, 214248), (8927, 203760), (9040, 201213), (9480, 191874), (10170, 178856), (10188, 178540), (11320, 160686), (11376, 159895), (12735, 142832), (13560, 134142), (13584, 133905), (14220, 127916), (16272, 111785), (16980, 107124), (17854, 101880), (18960, 95937), (20340, 89428), (20376, 89270), (22357, 81360), (22640, 80343), (25470, 71416), (26781, 67920), (27120, 67071), (28440, 63958), (31979, 56880), (33960, 53562), (35708, 50940), (40680, 44714), (40752, 44635)]