71967840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21419}}^1$

素因数の和:21444

約数の個数: 96

約数和(自身を含む): 259096320

約数和(自身を除く): 187128480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21419, 42838, 64257, 85676, 107095, 128514, 149933, 171352, 214190, 257028, 299866, 321285, 342704, 428380, 449799, 514056, 599732, 642570, 685408, 749665, 856760, 899598, 1028112, 1199464, 1285140, 1499330, 1713520, 1799196, 2056224, 2248995, 2398928, 2570280, 2998660, 3427040, 3598392, 4497990, 4797856, 5140560, 5997320, 7196784, 8995980, 10281120, 11994640, 14393568, 17991960, 23989280, 35983920, 71967840]

約数ペア:

[(1, 71967840), (2, 35983920), (3, 23989280), (4, 17991960), (5, 14393568), (6, 11994640), (7, 10281120), (8, 8995980), (10, 7196784), (12, 5997320), (14, 5140560), (15, 4797856), (16, 4497990), (20, 3598392), (21, 3427040), (24, 2998660), (28, 2570280), (30, 2398928), (32, 2248995), (35, 2056224), (40, 1799196), (42, 1713520), (48, 1499330), (56, 1285140), (60, 1199464), (70, 1028112), (80, 899598), (84, 856760), (96, 749665), (105, 685408), (112, 642570), (120, 599732), (140, 514056), (160, 449799), (168, 428380), (210, 342704), (224, 321285), (240, 299866), (280, 257028), (336, 214190), (420, 171352), (480, 149933), (560, 128514), (672, 107095), (840, 85676), (1120, 64257), (1680, 42838), (3360, 21419)]