1811173140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:663

約数の個数: 288

約数和(自身を含む): 6566676480

約数和(自身を除く): 4755503340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 89, 90, 93, 105, 124, 126, 140, 155, 178, 180, 186, 210, 217, 252, 267, 279, 310, 315, 356, 372, 420, 434, 445, 465, 521, 534, 558, 620, 623, 630, 651, 801, 868, 890, 930, 1042, 1068, 1085, 1116, 1246, 1260, 1302, 1335, 1395, 1563, 1602, 1780, 1860, 1869, 1953, 2084, 2170, 2492, 2604, 2605, 2670, 2759, 2790, 3115, 3126, 3204, 3255, 3647, 3738, 3906, 4005, 4340, 4689, 5210, 5340, 5518, 5580, 5607, 6230, 6252, 6510, 7294, 7476, 7812, 7815, 8010, 8277, 9345, 9378, 9765, 10420, 10941, 11036, 11214, 12460, 13020, 13795, 14588, 15630, 16020, 16151, 16554, 18235, 18690, 18756, 19313, 19530, 21882, 22428, 23445, 24831, 27590, 28035, 31260, 32302, 32823, 33108, 36470, 37380, 38626, 39060, 41385, 43764, 46369, 46890, 48453, 49662, 54705, 55180, 56070, 57939, 64604, 65646, 72940, 77252, 80755, 82770, 92738, 93780, 96565, 96906, 99324, 109410, 112140, 113057, 115878, 124155, 131292, 139107, 145359, 161510, 164115, 165540, 173817, 185476, 193130, 193812, 218820, 226114, 231756, 231845, 242265, 248310, 278214, 289695, 290718, 323020, 324583, 328230, 339171, 347634, 386260, 417321, 452228, 463690, 484530, 496620, 556428, 565285, 579390, 581436, 649166, 656460, 678342, 695268, 695535, 726795, 834642, 869085, 927380, 969060, 973749, 1017513, 1130570, 1158780, 1298332, 1356684, 1391070, 1437439, 1453590, 1622915, 1669284, 1695855, 1738170, 1947498, 2035026, 2086605, 2261140, 2782140, 2874878, 2907180, 2921247, 3245830, 3391710, 3476340, 3894996, 4070052, 4173210, 4312317, 4868745, 5087565, 5749756, 5842494, 6491660, 6783420, 7187195, 8346420, 8624634, 9737490, 10062073, 10175130, 11684988, 12936951, 14374390, 14606235, 17249268, 19474980, 20124146, 20350260, 21561585, 25873902, 28748780, 29212470, 30186219, 40248292, 43123170, 50310365, 51747804, 58424940, 60372438, 64684755, 86246340, 90558657, 100620730, 120744876, 129369510, 150931095, 181117314, 201241460, 258739020, 301862190, 362234628, 452793285, 603724380, 905586570, 1811173140]

約数ペア:

[(1, 1811173140), (2, 905586570), (3, 603724380), (4, 452793285), (5, 362234628), (6, 301862190), (7, 258739020), (9, 201241460), (10, 181117314), (12, 150931095), (14, 129369510), (15, 120744876), (18, 100620730), (20, 90558657), (21, 86246340), (28, 64684755), (30, 60372438), (31, 58424940), (35, 51747804), (36, 50310365), (42, 43123170), (45, 40248292), (60, 30186219), (62, 29212470), (63, 28748780), (70, 25873902), (84, 21561585), (89, 20350260), (90, 20124146), (93, 19474980), (105, 17249268), (124, 14606235), (126, 14374390), (140, 12936951), (155, 11684988), (178, 10175130), (180, 10062073), (186, 9737490), (210, 8624634), (217, 8346420), (252, 7187195), (267, 6783420), (279, 6491660), (310, 5842494), (315, 5749756), (356, 5087565), (372, 4868745), (420, 4312317), (434, 4173210), (445, 4070052), (465, 3894996), (521, 3476340), (534, 3391710), (558, 3245830), (620, 2921247), (623, 2907180), (630, 2874878), (651, 2782140), (801, 2261140), (868, 2086605), (890, 2035026), (930, 1947498), (1042, 1738170), (1068, 1695855), (1085, 1669284), (1116, 1622915), (1246, 1453590), (1260, 1437439), (1302, 1391070), (1335, 1356684), (1395, 1298332), (1563, 1158780), (1602, 1130570), (1780, 1017513), (1860, 973749), (1869, 969060), (1953, 927380), (2084, 869085), (2170, 834642), (2492, 726795), (2604, 695535), (2605, 695268), (2670, 678342), (2759, 656460), (2790, 649166), (3115, 581436), (3126, 579390), (3204, 565285), (3255, 556428), (3647, 496620), (3738, 484530), (3906, 463690), (4005, 452228), (4340, 417321), (4689, 386260), (5210, 347634), (5340, 339171), (5518, 328230), (5580, 324583), (5607, 323020), (6230, 290718), (6252, 289695), (6510, 278214), (7294, 248310), (7476, 242265), (7812, 231845), (7815, 231756), (8010, 226114), (8277, 218820), (9345, 193812), (9378, 193130), (9765, 185476), (10420, 173817), (10941, 165540), (11036, 164115), (11214, 161510), (12460, 145359), (13020, 139107), (13795, 131292), (14588, 124155), (15630, 115878), (16020, 113057), (16151, 112140), (16554, 109410), (18235, 99324), (18690, 96906), (18756, 96565), (19313, 93780), (19530, 92738), (21882, 82770), (22428, 80755), (23445, 77252), (24831, 72940), (27590, 65646), (28035, 64604), (31260, 57939), (32302, 56070), (32823, 55180), (33108, 54705), (36470, 49662), (37380, 48453), (38626, 46890), (39060, 46369), (41385, 43764)]