81591300

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 180

約数和(自身を含む): 302480640

約数和(自身を除く): 220889340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1439, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 2878, 3150, 3780, 4050, 4317, 4725, 5670, 5756, 6300, 7195, 8100, 8634, 9450, 10073, 11340, 12951, 14175, 14390, 17268, 18900, 20146, 21585, 25902, 28350, 28780, 30219, 35975, 38853, 40292, 43170, 50365, 51804, 56700, 60438, 64755, 71950, 77706, 86340, 90657, 100730, 107925, 116559, 120876, 129510, 143900, 151095, 155412, 181314, 194265, 201460, 215850, 233118, 251825, 259020, 271971, 302190, 323775, 362628, 388530, 431700, 453285, 466236, 503650, 543942, 582795, 604380, 647550, 755475, 777060, 815913, 906570, 971325, 1007300, 1087884, 1165590, 1295100, 1359855, 1510950, 1631826, 1813140, 1942650, 2266425, 2331180, 2719710, 2913975, 3021900, 3263652, 3885300, 4079565, 4532850, 5439420, 5827950, 6799275, 8159130, 9065700, 11655900, 13598550, 16318260, 20397825, 27197100, 40795650, 81591300]

約数ペア:

[(1, 81591300), (2, 40795650), (3, 27197100), (4, 20397825), (5, 16318260), (6, 13598550), (7, 11655900), (9, 9065700), (10, 8159130), (12, 6799275), (14, 5827950), (15, 5439420), (18, 4532850), (20, 4079565), (21, 3885300), (25, 3263652), (27, 3021900), (28, 2913975), (30, 2719710), (35, 2331180), (36, 2266425), (42, 1942650), (45, 1813140), (50, 1631826), (54, 1510950), (60, 1359855), (63, 1295100), (70, 1165590), (75, 1087884), (81, 1007300), (84, 971325), (90, 906570), (100, 815913), (105, 777060), (108, 755475), (126, 647550), (135, 604380), (140, 582795), (150, 543942), (162, 503650), (175, 466236), (180, 453285), (189, 431700), (210, 388530), (225, 362628), (252, 323775), (270, 302190), (300, 271971), (315, 259020), (324, 251825), (350, 233118), (378, 215850), (405, 201460), (420, 194265), (450, 181314), (525, 155412), (540, 151095), (567, 143900), (630, 129510), (675, 120876), (700, 116559), (756, 107925), (810, 100730), (900, 90657), (945, 86340), (1050, 77706), (1134, 71950), (1260, 64755), (1350, 60438), (1439, 56700), (1575, 51804), (1620, 50365), (1890, 43170), (2025, 40292), (2100, 38853), (2268, 35975), (2700, 30219), (2835, 28780), (2878, 28350), (3150, 25902), (3780, 21585), (4050, 20146), (4317, 18900), (4725, 17268), (5670, 14390), (5756, 14175), (6300, 12951), (7195, 11340), (8100, 10073), (8634, 9450)]