671971440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{399983}}^1$

素因数の和:400006

約数の個数: 80

約数和(自身を含む): 2380704768

約数和(自身を除く): 1708733328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 399983, 799966, 1199949, 1599932, 1999915, 2399898, 2799881, 3199864, 3999830, 4799796, 5599762, 5999745, 6399728, 7999660, 8399643, 9599592, 11199524, 11999490, 13999405, 15999320, 16799286, 19199184, 22399048, 23998980, 27998810, 31998640, 33598572, 41998215, 44798096, 47997960, 55997620, 67197144, 83996430, 95995920, 111995240, 134394288, 167992860, 223990480, 335985720, 671971440]

約数ペア:

[(1, 671971440), (2, 335985720), (3, 223990480), (4, 167992860), (5, 134394288), (6, 111995240), (7, 95995920), (8, 83996430), (10, 67197144), (12, 55997620), (14, 47997960), (15, 44798096), (16, 41998215), (20, 33598572), (21, 31998640), (24, 27998810), (28, 23998980), (30, 22399048), (35, 19199184), (40, 16799286), (42, 15999320), (48, 13999405), (56, 11999490), (60, 11199524), (70, 9599592), (80, 8399643), (84, 7999660), (105, 6399728), (112, 5999745), (120, 5599762), (140, 4799796), (168, 3999830), (210, 3199864), (240, 2799881), (280, 2399898), (336, 1999915), (420, 1599932), (560, 1199949), (840, 799966), (1680, 399983)]