890243640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17293}}^1$

素因数の和:17334

約数の個数: 192

約数和(自身を含む): 3399308640

約数和(自身を除く): 2509065000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1560, 1716, 1980, 2145, 2340, 2574, 2860, 3432, 3960, 4290, 4680, 5148, 5720, 6435, 8580, 10296, 12870, 17160, 17293, 25740, 34586, 51480, 51879, 69172, 86465, 103758, 138344, 155637, 172930, 190223, 207516, 224809, 259395, 311274, 345860, 380446, 415032, 449618, 518790, 570669, 622548, 674427, 691720, 760892, 778185, 899236, 951115, 1037580, 1124045, 1141338, 1245096, 1348854, 1521784, 1556370, 1712007, 1798472, 1902230, 2023281, 2075160, 2248090, 2282676, 2472899, 2697708, 2853345, 3112740, 3372135, 3424014, 3804460, 4046562, 4496180, 4565352, 4945798, 5395416, 5706690, 6225480, 6744270, 6848028, 7418697, 7608920, 8093124, 8560035, 8992360, 9891596, 10116405, 11413380, 12364495, 13488540, 13696056, 14837394, 16186248, 17120070, 19783192, 20232810, 22256091, 22826760, 24728990, 26977080, 29674788, 34240140, 37093485, 40465620, 44512182, 49457980, 59349576, 68480280, 74186970, 80931240, 89024364, 98915960, 111280455, 148373940, 178048728, 222560910, 296747880, 445121820, 890243640]

約数ペア:

[(1, 890243640), (2, 445121820), (3, 296747880), (4, 222560910), (5, 178048728), (6, 148373940), (8, 111280455), (9, 98915960), (10, 89024364), (11, 80931240), (12, 74186970), (13, 68480280), (15, 59349576), (18, 49457980), (20, 44512182), (22, 40465620), (24, 37093485), (26, 34240140), (30, 29674788), (33, 26977080), (36, 24728990), (39, 22826760), (40, 22256091), (44, 20232810), (45, 19783192), (52, 17120070), (55, 16186248), (60, 14837394), (65, 13696056), (66, 13488540), (72, 12364495), (78, 11413380), (88, 10116405), (90, 9891596), (99, 8992360), (104, 8560035), (110, 8093124), (117, 7608920), (120, 7418697), (130, 6848028), (132, 6744270), (143, 6225480), (156, 5706690), (165, 5395416), (180, 4945798), (195, 4565352), (198, 4496180), (220, 4046562), (234, 3804460), (260, 3424014), (264, 3372135), (286, 3112740), (312, 2853345), (330, 2697708), (360, 2472899), (390, 2282676), (396, 2248090), (429, 2075160), (440, 2023281), (468, 1902230), (495, 1798472), (520, 1712007), (572, 1556370), (585, 1521784), (660, 1348854), (715, 1245096), (780, 1141338), (792, 1124045), (858, 1037580), (936, 951115), (990, 899236), (1144, 778185), (1170, 760892), (1287, 691720), (1320, 674427), (1430, 622548), (1560, 570669), (1716, 518790), (1980, 449618), (2145, 415032), (2340, 380446), (2574, 345860), (2860, 311274), (3432, 259395), (3960, 224809), (4290, 207516), (4680, 190223), (5148, 172930), (5720, 155637), (6435, 138344), (8580, 103758), (10296, 86465), (12870, 69172), (17160, 51879), (17293, 51480), (25740, 34586)]