15940711640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{42391}}^1$

素因数の和:42505

約数の個数: 128

約数和(自身を含む): 43952025600

約数和(自身を除く): 28011313960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 79, 85, 119, 136, 140, 158, 170, 238, 280, 316, 340, 395, 476, 553, 595, 632, 680, 790, 952, 1106, 1190, 1343, 1580, 2212, 2380, 2686, 2765, 3160, 4424, 4760, 5372, 5530, 6715, 9401, 10744, 11060, 13430, 18802, 22120, 26860, 37604, 42391, 47005, 53720, 75208, 84782, 94010, 169564, 188020, 211955, 296737, 339128, 376040, 423910, 593474, 720647, 847820, 1186948, 1441294, 1483685, 1695640, 2373896, 2882588, 2967370, 3348889, 3603235, 5044529, 5765176, 5934740, 6697778, 7206470, 10089058, 11869480, 13395556, 14412940, 16744445, 20178116, 23442223, 25222645, 26791112, 28825880, 33488890, 40356232, 46884446, 50445290, 56931113, 66977780, 93768892, 100890580, 113862226, 117211115, 133955560, 187537784, 201781160, 227724452, 234422230, 284655565, 398517791, 455448904, 468844460, 569311130, 797035582, 937688920, 1138622260, 1594071164, 1992588955, 2277244520, 3188142328, 3985177910, 7970355820, 15940711640]

約数ペア:

[(1, 15940711640), (2, 7970355820), (4, 3985177910), (5, 3188142328), (7, 2277244520), (8, 1992588955), (10, 1594071164), (14, 1138622260), (17, 937688920), (20, 797035582), (28, 569311130), (34, 468844460), (35, 455448904), (40, 398517791), (56, 284655565), (68, 234422230), (70, 227724452), (79, 201781160), (85, 187537784), (119, 133955560), (136, 117211115), (140, 113862226), (158, 100890580), (170, 93768892), (238, 66977780), (280, 56931113), (316, 50445290), (340, 46884446), (395, 40356232), (476, 33488890), (553, 28825880), (595, 26791112), (632, 25222645), (680, 23442223), (790, 20178116), (952, 16744445), (1106, 14412940), (1190, 13395556), (1343, 11869480), (1580, 10089058), (2212, 7206470), (2380, 6697778), (2686, 5934740), (2765, 5765176), (3160, 5044529), (4424, 3603235), (4760, 3348889), (5372, 2967370), (5530, 2882588), (6715, 2373896), (9401, 1695640), (10744, 1483685), (11060, 1441294), (13430, 1186948), (18802, 847820), (22120, 720647), (26860, 593474), (37604, 423910), (42391, 376040), (47005, 339128), (53720, 296737), (75208, 211955), (84782, 188020), (94010, 169564)]