19661901280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3607}}^1$

素因数の和:3817

約数の個数: 192

約数和(自身を含む): 55163953152

約数和(自身を除く): 35502051872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 157, 160, 217, 224, 248, 280, 310, 314, 434, 496, 560, 620, 628, 785, 868, 992, 1085, 1099, 1120, 1240, 1256, 1570, 1736, 2170, 2198, 2480, 2512, 3140, 3472, 3607, 4340, 4396, 4867, 4960, 5024, 5495, 6280, 6944, 7214, 8680, 8792, 9734, 10990, 12560, 14428, 17360, 17584, 18035, 19468, 21980, 24335, 25120, 25249, 28856, 34069, 34720, 35168, 36070, 38936, 43960, 48670, 50498, 57712, 68138, 72140, 77872, 87920, 97340, 100996, 111817, 115424, 126245, 136276, 144280, 155744, 170345, 175840, 194680, 201992, 223634, 252490, 272552, 288560, 340690, 389360, 403984, 447268, 504980, 545104, 559085, 566299, 577120, 681380, 778720, 782719, 807968, 894536, 1009960, 1090208, 1118170, 1132598, 1362760, 1565438, 1789072, 2019920, 2236340, 2265196, 2725520, 2831495, 3130876, 3578144, 3913595, 3964093, 4039840, 4472680, 4530392, 5451040, 5662990, 6261752, 7827190, 7928186, 8945360, 9060784, 11325980, 12523504, 15654380, 15856372, 17555269, 17890720, 18121568, 19820465, 22651960, 25047008, 31308760, 31712744, 35110538, 39640930, 45303920, 62617520, 63425488, 70221076, 79281860, 87776345, 90607840, 122886883, 125235040, 126850976, 140442152, 158563720, 175552690, 245773766, 280884304, 317127440, 351105380, 491547532, 561768608, 614434415, 634254880, 702210760, 983095064, 1228868830, 1404421520, 1966190128, 2457737660, 2808843040, 3932380256, 4915475320, 9830950640, 19661901280]

約数ペア:

[(1, 19661901280), (2, 9830950640), (4, 4915475320), (5, 3932380256), (7, 2808843040), (8, 2457737660), (10, 1966190128), (14, 1404421520), (16, 1228868830), (20, 983095064), (28, 702210760), (31, 634254880), (32, 614434415), (35, 561768608), (40, 491547532), (56, 351105380), (62, 317127440), (70, 280884304), (80, 245773766), (112, 175552690), (124, 158563720), (140, 140442152), (155, 126850976), (157, 125235040), (160, 122886883), (217, 90607840), (224, 87776345), (248, 79281860), (280, 70221076), (310, 63425488), (314, 62617520), (434, 45303920), (496, 39640930), (560, 35110538), (620, 31712744), (628, 31308760), (785, 25047008), (868, 22651960), (992, 19820465), (1085, 18121568), (1099, 17890720), (1120, 17555269), (1240, 15856372), (1256, 15654380), (1570, 12523504), (1736, 11325980), (2170, 9060784), (2198, 8945360), (2480, 7928186), (2512, 7827190), (3140, 6261752), (3472, 5662990), (3607, 5451040), (4340, 4530392), (4396, 4472680), (4867, 4039840), (4960, 3964093), (5024, 3913595), (5495, 3578144), (6280, 3130876), (6944, 2831495), (7214, 2725520), (8680, 2265196), (8792, 2236340), (9734, 2019920), (10990, 1789072), (12560, 1565438), (14428, 1362760), (17360, 1132598), (17584, 1118170), (18035, 1090208), (19468, 1009960), (21980, 894536), (24335, 807968), (25120, 782719), (25249, 778720), (28856, 681380), (34069, 577120), (34720, 566299), (35168, 559085), (36070, 545104), (38936, 504980), (43960, 447268), (48670, 403984), (50498, 389360), (57712, 340690), (68138, 288560), (72140, 272552), (77872, 252490), (87920, 223634), (97340, 201992), (100996, 194680), (111817, 175840), (115424, 170345), (126245, 155744), (136276, 144280)]