1995605640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2467}}^1$

素因数の和:2601

約数の個数: 256

約数和(自身を含む): 7676467200

約数和(自身を除く): 5680861560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 107, 108, 120, 126, 135, 140, 168, 180, 189, 210, 214, 216, 252, 270, 280, 315, 321, 360, 378, 420, 428, 504, 535, 540, 630, 642, 749, 756, 840, 856, 945, 963, 1070, 1080, 1260, 1284, 1498, 1512, 1605, 1890, 1926, 2140, 2247, 2467, 2520, 2568, 2889, 2996, 3210, 3745, 3780, 3852, 4280, 4494, 4815, 4934, 5778, 5992, 6420, 6741, 7401, 7490, 7560, 7704, 8988, 9630, 9868, 11235, 11556, 12335, 12840, 13482, 14445, 14802, 14980, 17269, 17976, 19260, 19736, 20223, 22203, 22470, 23112, 24670, 26964, 28890, 29604, 29960, 33705, 34538, 37005, 38520, 40446, 44406, 44940, 49340, 51807, 53928, 57780, 59208, 66609, 67410, 69076, 74010, 80892, 86345, 88812, 89880, 98680, 101115, 103614, 111015, 115560, 133218, 134820, 138152, 148020, 155421, 161784, 172690, 177624, 202230, 207228, 222030, 259035, 263969, 266436, 269640, 296040, 310842, 333045, 345380, 404460, 414456, 444060, 466263, 518070, 527938, 532872, 621684, 666090, 690760, 777105, 791907, 808920, 888120, 932526, 1036140, 1055876, 1243368, 1319845, 1332180, 1554210, 1583814, 1847783, 1865052, 2072280, 2111752, 2331315, 2375721, 2639690, 2664360, 3108420, 3167628, 3695566, 3730104, 3959535, 4662630, 4751442, 5279380, 5543349, 6216840, 6335256, 7127163, 7391132, 7919070, 9238915, 9325260, 9502884, 10558760, 11086698, 11878605, 14254326, 14782264, 15838140, 16630047, 18477830, 18650520, 19005768, 22173396, 23757210, 27716745, 28508652, 31676280, 33260094, 35635815, 36955660, 44346792, 47514420, 49890141, 55433490, 57017304, 66520188, 71271630, 73911320, 83150235, 95028840, 99780282, 110866980, 133040376, 142543260, 166300470, 199560564, 221733960, 249450705, 285086520, 332600940, 399121128, 498901410, 665201880, 997802820, 1995605640]

約数ペア:

[(1, 1995605640), (2, 997802820), (3, 665201880), (4, 498901410), (5, 399121128), (6, 332600940), (7, 285086520), (8, 249450705), (9, 221733960), (10, 199560564), (12, 166300470), (14, 142543260), (15, 133040376), (18, 110866980), (20, 99780282), (21, 95028840), (24, 83150235), (27, 73911320), (28, 71271630), (30, 66520188), (35, 57017304), (36, 55433490), (40, 49890141), (42, 47514420), (45, 44346792), (54, 36955660), (56, 35635815), (60, 33260094), (63, 31676280), (70, 28508652), (72, 27716745), (84, 23757210), (90, 22173396), (105, 19005768), (107, 18650520), (108, 18477830), (120, 16630047), (126, 15838140), (135, 14782264), (140, 14254326), (168, 11878605), (180, 11086698), (189, 10558760), (210, 9502884), (214, 9325260), (216, 9238915), (252, 7919070), (270, 7391132), (280, 7127163), (315, 6335256), (321, 6216840), (360, 5543349), (378, 5279380), (420, 4751442), (428, 4662630), (504, 3959535), (535, 3730104), (540, 3695566), (630, 3167628), (642, 3108420), (749, 2664360), (756, 2639690), (840, 2375721), (856, 2331315), (945, 2111752), (963, 2072280), (1070, 1865052), (1080, 1847783), (1260, 1583814), (1284, 1554210), (1498, 1332180), (1512, 1319845), (1605, 1243368), (1890, 1055876), (1926, 1036140), (2140, 932526), (2247, 888120), (2467, 808920), (2520, 791907), (2568, 777105), (2889, 690760), (2996, 666090), (3210, 621684), (3745, 532872), (3780, 527938), (3852, 518070), (4280, 466263), (4494, 444060), (4815, 414456), (4934, 404460), (5778, 345380), (5992, 333045), (6420, 310842), (6741, 296040), (7401, 269640), (7490, 266436), (7560, 263969), (7704, 259035), (8988, 222030), (9630, 207228), (9868, 202230), (11235, 177624), (11556, 172690), (12335, 161784), (12840, 155421), (13482, 148020), (14445, 138152), (14802, 134820), (14980, 133218), (17269, 115560), (17976, 111015), (19260, 103614), (19736, 101115), (20223, 98680), (22203, 89880), (22470, 88812), (23112, 86345), (24670, 80892), (26964, 74010), (28890, 69076), (29604, 67410), (29960, 66609), (33705, 59208), (34538, 57780), (37005, 53928), (38520, 51807), (40446, 49340), (44406, 44940)]