81193148960

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{12227}}^1$

素因数の和:12285

約数の個数: 288

約数和(自身を含む): 245900188800

約数和(自身を除く): 164707039840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 242, 245, 280, 308, 343, 352, 385, 392, 440, 484, 490, 539, 560, 605, 616, 686, 770, 784, 847, 880, 968, 980, 1078, 1120, 1210, 1232, 1372, 1540, 1568, 1694, 1715, 1760, 1936, 1960, 2156, 2420, 2464, 2695, 2744, 3080, 3388, 3430, 3773, 3872, 3920, 4235, 4312, 4840, 5390, 5488, 5929, 6160, 6776, 6860, 7546, 7840, 8470, 8624, 9680, 10780, 10976, 11858, 12227, 12320, 13552, 13720, 15092, 16940, 17248, 18865, 19360, 21560, 23716, 24454, 27104, 27440, 29645, 30184, 33880, 37730, 41503, 43120, 47432, 48908, 54880, 59290, 60368, 61135, 67760, 75460, 83006, 85589, 86240, 94864, 97816, 118580, 120736, 122270, 134497, 135520, 150920, 166012, 171178, 189728, 195632, 207515, 237160, 244540, 268994, 301840, 332024, 342356, 391264, 415030, 427945, 474320, 489080, 537988, 599123, 603680, 664048, 672485, 684712, 830060, 855890, 941479, 948640, 978160, 1075976, 1198246, 1328096, 1344970, 1369424, 1479467, 1660120, 1711780, 1882958, 1956320, 2151952, 2396492, 2689940, 2738848, 2958934, 2995615, 3320240, 3423560, 3765916, 4193861, 4303904, 4707395, 4792984, 5379880, 5917868, 5991230, 6590353, 6640480, 6847120, 7397335, 7531832, 8387722, 9414790, 9585968, 10356269, 10759760, 11835736, 11982460, 13180706, 13694240, 14794670, 15063664, 16775444, 18829580, 19171936, 20712538, 20969305, 21519520, 23671472, 23964920, 26361412, 29589340, 30127328, 32951765, 33550888, 37659160, 41425076, 41938610, 46132471, 47342944, 47929840, 51781345, 52722824, 59178680, 65903530, 67101776, 72493883, 75318320, 82850152, 83877220, 92264942, 95859680, 103562690, 105445648, 118357360, 131807060, 134203552, 144987766, 150636640, 165700304, 167754440, 184529884, 207125380, 210891296, 230662355, 236714720, 263614120, 289975532, 331400608, 335508880, 362469415, 369059768, 414250760, 461324710, 507457181, 527228240, 579951064, 671017760, 724938830, 738119536, 828501520, 922649420, 1014914362, 1054456480, 1159902128, 1449877660, 1476239072, 1657003040, 1845298840, 2029828724, 2319804256, 2537285905, 2899755320, 3690597680, 4059657448, 5074571810, 5799510640, 7381195360, 8119314896, 10149143620, 11599021280, 16238629792, 20298287240, 40596574480, 81193148960]

約数ペア:

[(1, 81193148960), (2, 40596574480), (4, 20298287240), (5, 16238629792), (7, 11599021280), (8, 10149143620), (10, 8119314896), (11, 7381195360), (14, 5799510640), (16, 5074571810), (20, 4059657448), (22, 3690597680), (28, 2899755320), (32, 2537285905), (35, 2319804256), (40, 2029828724), (44, 1845298840), (49, 1657003040), (55, 1476239072), (56, 1449877660), (70, 1159902128), (77, 1054456480), (80, 1014914362), (88, 922649420), (98, 828501520), (110, 738119536), (112, 724938830), (121, 671017760), (140, 579951064), (154, 527228240), (160, 507457181), (176, 461324710), (196, 414250760), (220, 369059768), (224, 362469415), (242, 335508880), (245, 331400608), (280, 289975532), (308, 263614120), (343, 236714720), (352, 230662355), (385, 210891296), (392, 207125380), (440, 184529884), (484, 167754440), (490, 165700304), (539, 150636640), (560, 144987766), (605, 134203552), (616, 131807060), (686, 118357360), (770, 105445648), (784, 103562690), (847, 95859680), (880, 92264942), (968, 83877220), (980, 82850152), (1078, 75318320), (1120, 72493883), (1210, 67101776), (1232, 65903530), (1372, 59178680), (1540, 52722824), (1568, 51781345), (1694, 47929840), (1715, 47342944), (1760, 46132471), (1936, 41938610), (1960, 41425076), (2156, 37659160), (2420, 33550888), (2464, 32951765), (2695, 30127328), (2744, 29589340), (3080, 26361412), (3388, 23964920), (3430, 23671472), (3773, 21519520), (3872, 20969305), (3920, 20712538), (4235, 19171936), (4312, 18829580), (4840, 16775444), (5390, 15063664), (5488, 14794670), (5929, 13694240), (6160, 13180706), (6776, 11982460), (6860, 11835736), (7546, 10759760), (7840, 10356269), (8470, 9585968), (8624, 9414790), (9680, 8387722), (10780, 7531832), (10976, 7397335), (11858, 6847120), (12227, 6640480), (12320, 6590353), (13552, 5991230), (13720, 5917868), (15092, 5379880), (16940, 4792984), (17248, 4707395), (18865, 4303904), (19360, 4193861), (21560, 3765916), (23716, 3423560), (24454, 3320240), (27104, 2995615), (27440, 2958934), (29645, 2738848), (30184, 2689940), (33880, 2396492), (37730, 2151952), (41503, 1956320), (43120, 1882958), (47432, 1711780), (48908, 1660120), (54880, 1479467), (59290, 1369424), (60368, 1344970), (61135, 1328096), (67760, 1198246), (75460, 1075976), (83006, 978160), (85589, 948640), (86240, 941479), (94864, 855890), (97816, 830060), (118580, 684712), (120736, 672485), (122270, 664048), (134497, 603680), (135520, 599123), (150920, 537988), (166012, 489080), (171178, 474320), (189728, 427945), (195632, 415030), (207515, 391264), (237160, 342356), (244540, 332024), (268994, 301840)]