81465300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 297717056

約数和(自身を除く): 216251756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 67, 70, 75, 84, 90, 100, 105, 126, 134, 140, 150, 175, 180, 193, 201, 210, 225, 252, 268, 300, 315, 335, 350, 386, 402, 420, 450, 469, 525, 579, 603, 630, 670, 700, 772, 804, 900, 938, 965, 1005, 1050, 1158, 1206, 1260, 1340, 1351, 1407, 1575, 1675, 1737, 1876, 1930, 2010, 2100, 2316, 2345, 2412, 2702, 2814, 2895, 3015, 3150, 3350, 3474, 3860, 4020, 4053, 4221, 4690, 4825, 5025, 5404, 5628, 5790, 6030, 6300, 6700, 6755, 6948, 7035, 8106, 8442, 8685, 9380, 9650, 10050, 11580, 11725, 12060, 12159, 12931, 13510, 14070, 14475, 15075, 16212, 16884, 17370, 19300, 20100, 20265, 21105, 23450, 24318, 25862, 27020, 28140, 28950, 30150, 33775, 34740, 35175, 38793, 40530, 42210, 43425, 46900, 48636, 51724, 57900, 60300, 60795, 64655, 67550, 70350, 77586, 81060, 84420, 86850, 90517, 101325, 105525, 116379, 121590, 129310, 135100, 140700, 155172, 173700, 181034, 193965, 202650, 211050, 232758, 243180, 258620, 271551, 303975, 323275, 362068, 387930, 405300, 422100, 452585, 465516, 543102, 581895, 607950, 646550, 775860, 814653, 905170, 969825, 1086204, 1163790, 1215900, 1293100, 1357755, 1629306, 1810340, 1939650, 2262925, 2327580, 2715510, 2909475, 3258612, 3879300, 4073265, 4525850, 5431020, 5818950, 6788775, 8146530, 9051700, 11637900, 13577550, 16293060, 20366325, 27155100, 40732650, 81465300]

約数ペア:

[(1, 81465300), (2, 40732650), (3, 27155100), (4, 20366325), (5, 16293060), (6, 13577550), (7, 11637900), (9, 9051700), (10, 8146530), (12, 6788775), (14, 5818950), (15, 5431020), (18, 4525850), (20, 4073265), (21, 3879300), (25, 3258612), (28, 2909475), (30, 2715510), (35, 2327580), (36, 2262925), (42, 1939650), (45, 1810340), (50, 1629306), (60, 1357755), (63, 1293100), (67, 1215900), (70, 1163790), (75, 1086204), (84, 969825), (90, 905170), (100, 814653), (105, 775860), (126, 646550), (134, 607950), (140, 581895), (150, 543102), (175, 465516), (180, 452585), (193, 422100), (201, 405300), (210, 387930), (225, 362068), (252, 323275), (268, 303975), (300, 271551), (315, 258620), (335, 243180), (350, 232758), (386, 211050), (402, 202650), (420, 193965), (450, 181034), (469, 173700), (525, 155172), (579, 140700), (603, 135100), (630, 129310), (670, 121590), (700, 116379), (772, 105525), (804, 101325), (900, 90517), (938, 86850), (965, 84420), (1005, 81060), (1050, 77586), (1158, 70350), (1206, 67550), (1260, 64655), (1340, 60795), (1351, 60300), (1407, 57900), (1575, 51724), (1675, 48636), (1737, 46900), (1876, 43425), (1930, 42210), (2010, 40530), (2100, 38793), (2316, 35175), (2345, 34740), (2412, 33775), (2702, 30150), (2814, 28950), (2895, 28140), (3015, 27020), (3150, 25862), (3350, 24318), (3474, 23450), (3860, 21105), (4020, 20265), (4053, 20100), (4221, 19300), (4690, 17370), (4825, 16884), (5025, 16212), (5404, 15075), (5628, 14475), (5790, 14070), (6030, 13510), (6300, 12931), (6700, 12159), (6755, 12060), (6948, 11725), (7035, 11580), (8106, 10050), (8442, 9650), (8685, 9380)]