78356340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3323}}^1$

素因数の和:3469

約数の個数: 72

約数和(自身を含む): 239567328

約数和(自身を除く): 161210988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3323, 3930, 4716, 5895, 6646, 7860, 9969, 11790, 13292, 16615, 19938, 23580, 29907, 33230, 39876, 49845, 59814, 66460, 99690, 119628, 149535, 199380, 299070, 435313, 598140, 870626, 1305939, 1741252, 2176565, 2611878, 3917817, 4353130, 5223756, 6529695, 7835634, 8706260, 13059390, 15671268, 19589085, 26118780, 39178170, 78356340]

約数ペア:

[(1, 78356340), (2, 39178170), (3, 26118780), (4, 19589085), (5, 15671268), (6, 13059390), (9, 8706260), (10, 7835634), (12, 6529695), (15, 5223756), (18, 4353130), (20, 3917817), (30, 2611878), (36, 2176565), (45, 1741252), (60, 1305939), (90, 870626), (131, 598140), (180, 435313), (262, 299070), (393, 199380), (524, 149535), (655, 119628), (786, 99690), (1179, 66460), (1310, 59814), (1572, 49845), (1965, 39876), (2358, 33230), (2620, 29907), (3323, 23580), (3930, 19938), (4716, 16615), (5895, 13292), (6646, 11790), (7860, 9969)]