80719800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{19219}}^1$

素因数の和:19245

約数の個数: 96

約数和(自身を含む): 285993600

約数和(自身を除く): 205273800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 19219, 38438, 57657, 76876, 96095, 115314, 134533, 153752, 192190, 230628, 269066, 288285, 384380, 403599, 461256, 480475, 538132, 576570, 672665, 768760, 807198, 960950, 1076264, 1153140, 1345330, 1441425, 1614396, 1921900, 2017995, 2306280, 2690660, 2882850, 3228792, 3363325, 3843800, 4035990, 5381320, 5765700, 6726650, 8071980, 10089975, 11531400, 13453300, 16143960, 20179950, 26906600, 40359900, 80719800]

約数ペア:

[(1, 80719800), (2, 40359900), (3, 26906600), (4, 20179950), (5, 16143960), (6, 13453300), (7, 11531400), (8, 10089975), (10, 8071980), (12, 6726650), (14, 5765700), (15, 5381320), (20, 4035990), (21, 3843800), (24, 3363325), (25, 3228792), (28, 2882850), (30, 2690660), (35, 2306280), (40, 2017995), (42, 1921900), (50, 1614396), (56, 1441425), (60, 1345330), (70, 1153140), (75, 1076264), (84, 960950), (100, 807198), (105, 768760), (120, 672665), (140, 576570), (150, 538132), (168, 480475), (175, 461256), (200, 403599), (210, 384380), (280, 288285), (300, 269066), (350, 230628), (420, 192190), (525, 153752), (600, 134533), (700, 115314), (840, 96095), (1050, 76876), (1400, 57657), (2100, 38438), (4200, 19219)]