68991120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 240

約数和(自身を含む): 261840384

約数和(自身を除く): 192849264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 281, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 562, 620, 660, 682, 720, 744, 792, 843, 880, 930, 990, 1023, 1116, 1124, 1240, 1320, 1364, 1395, 1405, 1488, 1584, 1686, 1705, 1860, 1980, 2046, 2232, 2248, 2480, 2529, 2640, 2728, 2790, 2810, 3069, 3091, 3372, 3410, 3720, 3960, 4092, 4215, 4464, 4496, 5058, 5115, 5456, 5580, 5620, 6138, 6182, 6744, 6820, 7440, 7920, 8184, 8430, 8711, 9273, 10116, 10230, 11160, 11240, 12276, 12364, 12645, 13488, 13640, 15345, 15455, 16368, 16860, 17422, 18546, 20232, 20460, 22320, 22480, 24552, 24728, 25290, 26133, 27280, 27819, 30690, 30910, 33720, 34844, 37092, 40464, 40920, 43555, 46365, 49104, 49456, 50580, 52266, 55638, 61380, 61820, 67440, 69688, 74184, 78399, 81840, 87110, 92730, 95821, 101160, 104532, 111276, 122760, 123640, 130665, 139095, 139376, 148368, 156798, 174220, 185460, 191642, 202320, 209064, 222552, 245520, 247280, 261330, 278190, 287463, 313596, 348440, 370920, 383284, 391995, 418128, 445104, 479105, 522660, 556380, 574926, 627192, 696880, 741840, 766568, 783990, 862389, 958210, 1045320, 1112760, 1149852, 1254384, 1437315, 1533136, 1567980, 1724778, 1916420, 2090640, 2225520, 2299704, 2874630, 3135960, 3449556, 3832840, 4311945, 4599408, 5749260, 6271920, 6899112, 7665680, 8623890, 11498520, 13798224, 17247780, 22997040, 34495560, 68991120]

約数ペア:

[(1, 68991120), (2, 34495560), (3, 22997040), (4, 17247780), (5, 13798224), (6, 11498520), (8, 8623890), (9, 7665680), (10, 6899112), (11, 6271920), (12, 5749260), (15, 4599408), (16, 4311945), (18, 3832840), (20, 3449556), (22, 3135960), (24, 2874630), (30, 2299704), (31, 2225520), (33, 2090640), (36, 1916420), (40, 1724778), (44, 1567980), (45, 1533136), (48, 1437315), (55, 1254384), (60, 1149852), (62, 1112760), (66, 1045320), (72, 958210), (80, 862389), (88, 783990), (90, 766568), (93, 741840), (99, 696880), (110, 627192), (120, 574926), (124, 556380), (132, 522660), (144, 479105), (155, 445104), (165, 418128), (176, 391995), (180, 383284), (186, 370920), (198, 348440), (220, 313596), (240, 287463), (248, 278190), (264, 261330), (279, 247280), (281, 245520), (310, 222552), (330, 209064), (341, 202320), (360, 191642), (372, 185460), (396, 174220), (440, 156798), (465, 148368), (495, 139376), (496, 139095), (528, 130665), (558, 123640), (562, 122760), (620, 111276), (660, 104532), (682, 101160), (720, 95821), (744, 92730), (792, 87110), (843, 81840), (880, 78399), (930, 74184), (990, 69688), (1023, 67440), (1116, 61820), (1124, 61380), (1240, 55638), (1320, 52266), (1364, 50580), (1395, 49456), (1405, 49104), (1488, 46365), (1584, 43555), (1686, 40920), (1705, 40464), (1860, 37092), (1980, 34844), (2046, 33720), (2232, 30910), (2248, 30690), (2480, 27819), (2529, 27280), (2640, 26133), (2728, 25290), (2790, 24728), (2810, 24552), (3069, 22480), (3091, 22320), (3372, 20460), (3410, 20232), (3720, 18546), (3960, 17422), (4092, 16860), (4215, 16368), (4464, 15455), (4496, 15345), (5058, 13640), (5115, 13488), (5456, 12645), (5580, 12364), (5620, 12276), (6138, 11240), (6182, 11160), (6744, 10230), (6820, 10116), (7440, 9273), (7920, 8711), (8184, 8430)]