19887341040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{207679}}^1$

素因数の和:207724

約数の個数: 240

約数和(自身を含む): 80347238400

約数和(自身を除く): 60459897360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13680, 15960, 19152, 23940, 31920, 47880, 95760, 207679, 415358, 623037, 830716, 1038395, 1246074, 1453753, 1661432, 1869111, 2076790, 2492148, 2907506, 3115185, 3322864, 3738222, 3945901, 4153580, 4361259, 4984296, 5815012, 6230370, 7268765, 7476444, 7891802, 8307160, 8722518, 9345555, 9968592, 11630024, 11837703, 12460740, 13083777, 14537530, 14952888, 15783604, 16614320, 17445036, 18691110, 19729505, 21806295, 23260048, 23675406, 24921480, 26167554, 27621307, 29075060, 29905776, 31567208, 34890072, 35513109, 37382220, 39459010, 43612590, 47350812, 49842960, 52335108, 55242614, 58150120, 59188515, 63134416, 65418885, 69780144, 71026218, 74764440, 78918020, 82863921, 87225180, 94701624, 104670216, 110485228, 116300240, 118377030, 130837770, 138106535, 142052436, 149528880, 157836040, 165727842, 174450360, 177565545, 189403248, 209340432, 220970456, 236754060, 248591763, 261675540, 276213070, 284104872, 315672080, 331455684, 348900720, 355131090, 414319605, 441940912, 473508120, 497183526, 523351080, 552426140, 568209744, 662911368, 710262180, 828639210, 947016240, 994367052, 1046702160, 1104852280, 1242958815, 1325822736, 1420524360, 1657278420, 1988734104, 2209704560, 2485917630, 2841048720, 3314556840, 3977468208, 4971835260, 6629113680, 9943670520, 19887341040]

約数ペア:

[(1, 19887341040), (2, 9943670520), (3, 6629113680), (4, 4971835260), (5, 3977468208), (6, 3314556840), (7, 2841048720), (8, 2485917630), (9, 2209704560), (10, 1988734104), (12, 1657278420), (14, 1420524360), (15, 1325822736), (16, 1242958815), (18, 1104852280), (19, 1046702160), (20, 994367052), (21, 947016240), (24, 828639210), (28, 710262180), (30, 662911368), (35, 568209744), (36, 552426140), (38, 523351080), (40, 497183526), (42, 473508120), (45, 441940912), (48, 414319605), (56, 355131090), (57, 348900720), (60, 331455684), (63, 315672080), (70, 284104872), (72, 276213070), (76, 261675540), (80, 248591763), (84, 236754060), (90, 220970456), (95, 209340432), (105, 189403248), (112, 177565545), (114, 174450360), (120, 165727842), (126, 157836040), (133, 149528880), (140, 142052436), (144, 138106535), (152, 130837770), (168, 118377030), (171, 116300240), (180, 110485228), (190, 104670216), (210, 94701624), (228, 87225180), (240, 82863921), (252, 78918020), (266, 74764440), (280, 71026218), (285, 69780144), (304, 65418885), (315, 63134416), (336, 59188515), (342, 58150120), (360, 55242614), (380, 52335108), (399, 49842960), (420, 47350812), (456, 43612590), (504, 39459010), (532, 37382220), (560, 35513109), (570, 34890072), (630, 31567208), (665, 29905776), (684, 29075060), (720, 27621307), (760, 26167554), (798, 24921480), (840, 23675406), (855, 23260048), (912, 21806295), (1008, 19729505), (1064, 18691110), (1140, 17445036), (1197, 16614320), (1260, 15783604), (1330, 14952888), (1368, 14537530), (1520, 13083777), (1596, 12460740), (1680, 11837703), (1710, 11630024), (1995, 9968592), (2128, 9345555), (2280, 8722518), (2394, 8307160), (2520, 7891802), (2660, 7476444), (2736, 7268765), (3192, 6230370), (3420, 5815012), (3990, 4984296), (4560, 4361259), (4788, 4153580), (5040, 3945901), (5320, 3738222), (5985, 3322864), (6384, 3115185), (6840, 2907506), (7980, 2492148), (9576, 2076790), (10640, 1869111), (11970, 1661432), (13680, 1453753), (15960, 1246074), (19152, 1038395), (23940, 830716), (31920, 623037), (47880, 415358), (95760, 207679)]