256480826070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{857}}^1\times {\mathrm{3217}}^1$

素因数の和:4534

約数の個数: 128

約数和(自身を含む): 706120436736

約数和(自身を除く): 449639610666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 443, 857, 886, 1329, 1714, 2215, 2571, 2658, 3101, 3217, 4285, 4430, 5142, 5999, 6202, 6434, 6645, 8570, 9303, 9651, 11998, 12855, 13290, 15505, 16085, 17997, 18606, 19302, 22519, 25710, 29995, 31010, 32170, 35994, 45038, 46515, 48255, 59990, 67557, 89985, 93030, 96510, 112595, 135114, 179970, 225190, 337785, 379651, 675570, 759302, 1138953, 1425131, 1898255, 2277906, 2657557, 2756969, 2850262, 3796510, 4275393, 5315114, 5513938, 5694765, 7125655, 7972671, 8270907, 8550786, 9975917, 11389530, 13287785, 13784845, 14251310, 15945342, 16541814, 19298783, 19951834, 21376965, 26575570, 27569690, 29927751, 38597566, 39863355, 41354535, 42753930, 49879585, 57896349, 59855502, 79726710, 82709070, 96493915, 99759170, 115792698, 149638755, 192987830, 289481745, 299277510, 578963490, 1221337267, 2442674534, 3664011801, 6106686335, 7328023602, 8549360869, 12213372670, 17098721738, 18320059005, 25648082607, 36640118010, 42746804345, 51296165214, 85493608690, 128240413035, 256480826070]

約数ペア:

[(1, 256480826070), (2, 128240413035), (3, 85493608690), (5, 51296165214), (6, 42746804345), (7, 36640118010), (10, 25648082607), (14, 18320059005), (15, 17098721738), (21, 12213372670), (30, 8549360869), (35, 7328023602), (42, 6106686335), (70, 3664011801), (105, 2442674534), (210, 1221337267), (443, 578963490), (857, 299277510), (886, 289481745), (1329, 192987830), (1714, 149638755), (2215, 115792698), (2571, 99759170), (2658, 96493915), (3101, 82709070), (3217, 79726710), (4285, 59855502), (4430, 57896349), (5142, 49879585), (5999, 42753930), (6202, 41354535), (6434, 39863355), (6645, 38597566), (8570, 29927751), (9303, 27569690), (9651, 26575570), (11998, 21376965), (12855, 19951834), (13290, 19298783), (15505, 16541814), (16085, 15945342), (17997, 14251310), (18606, 13784845), (19302, 13287785), (22519, 11389530), (25710, 9975917), (29995, 8550786), (31010, 8270907), (32170, 7972671), (35994, 7125655), (45038, 5694765), (46515, 5513938), (48255, 5315114), (59990, 4275393), (67557, 3796510), (89985, 2850262), (93030, 2756969), (96510, 2657557), (112595, 2277906), (135114, 1898255), (179970, 1425131), (225190, 1138953), (337785, 759302), (379651, 675570)]