320939640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6703}}^1$

素因数の和:6746

約数の個数: 192

約数和(自身を含む): 1254988800

約数和(自身を除く): 934049160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6703, 6840, 7980, 9576, 11970, 13406, 15960, 20109, 23940, 26812, 33515, 40218, 46921, 47880, 53624, 60327, 67030, 80436, 93842, 100545, 120654, 127357, 134060, 140763, 160872, 187684, 201090, 234605, 241308, 254714, 268120, 281526, 301635, 375368, 382071, 402180, 422289, 469210, 482616, 509428, 563052, 603270, 636785, 703815, 764142, 804360, 844578, 891499, 938420, 1018856, 1126104, 1146213, 1206540, 1273570, 1407630, 1528284, 1689156, 1782998, 1876840, 1910355, 2111445, 2292426, 2413080, 2547140, 2674497, 2815260, 3056568, 3378312, 3565996, 3820710, 4222890, 4457495, 4584852, 5094280, 5348994, 5630520, 5731065, 7131992, 7641420, 8023491, 8445780, 8914990, 9169704, 10697988, 11462130, 13372485, 15282840, 16046982, 16891560, 17829980, 21395976, 22924260, 26744970, 32093964, 35659960, 40117455, 45848520, 53489940, 64187928, 80234910, 106979880, 160469820, 320939640]

約数ペア:

[(1, 320939640), (2, 160469820), (3, 106979880), (4, 80234910), (5, 64187928), (6, 53489940), (7, 45848520), (8, 40117455), (9, 35659960), (10, 32093964), (12, 26744970), (14, 22924260), (15, 21395976), (18, 17829980), (19, 16891560), (20, 16046982), (21, 15282840), (24, 13372485), (28, 11462130), (30, 10697988), (35, 9169704), (36, 8914990), (38, 8445780), (40, 8023491), (42, 7641420), (45, 7131992), (56, 5731065), (57, 5630520), (60, 5348994), (63, 5094280), (70, 4584852), (72, 4457495), (76, 4222890), (84, 3820710), (90, 3565996), (95, 3378312), (105, 3056568), (114, 2815260), (120, 2674497), (126, 2547140), (133, 2413080), (140, 2292426), (152, 2111445), (168, 1910355), (171, 1876840), (180, 1782998), (190, 1689156), (210, 1528284), (228, 1407630), (252, 1273570), (266, 1206540), (280, 1146213), (285, 1126104), (315, 1018856), (342, 938420), (360, 891499), (380, 844578), (399, 804360), (420, 764142), (456, 703815), (504, 636785), (532, 603270), (570, 563052), (630, 509428), (665, 482616), (684, 469210), (760, 422289), (798, 402180), (840, 382071), (855, 375368), (1064, 301635), (1140, 281526), (1197, 268120), (1260, 254714), (1330, 241308), (1368, 234605), (1596, 201090), (1710, 187684), (1995, 160872), (2280, 140763), (2394, 134060), (2520, 127357), (2660, 120654), (3192, 100545), (3420, 93842), (3990, 80436), (4788, 67030), (5320, 60327), (5985, 53624), (6703, 47880), (6840, 46921), (7980, 40218), (9576, 33515), (11970, 26812), (13406, 23940), (15960, 20109)]