77765940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2939}}^1$

素因数の和:2971

約数の個数: 144

約数和(自身を含む): 281534400

約数和(自身を除く): 203768460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2939, 2940, 3780, 4410, 5292, 5878, 6615, 8817, 8820, 11756, 13230, 14695, 17634, 20573, 26451, 26460, 29390, 35268, 41146, 44085, 52902, 58780, 61719, 79353, 82292, 88170, 102865, 105804, 123438, 132255, 144011, 158706, 176340, 185157, 205730, 246876, 264510, 288022, 308595, 317412, 370314, 396765, 411460, 432033, 529020, 555471, 576044, 617190, 720055, 740628, 793530, 864066, 925785, 1110942, 1234380, 1296099, 1440110, 1587060, 1728132, 1851570, 2160165, 2221884, 2592198, 2777355, 2880220, 3703140, 3888297, 4320330, 5184396, 5554710, 6480495, 7776594, 8640660, 11109420, 12960990, 15553188, 19441485, 25921980, 38882970, 77765940]

約数ペア:

[(1, 77765940), (2, 38882970), (3, 25921980), (4, 19441485), (5, 15553188), (6, 12960990), (7, 11109420), (9, 8640660), (10, 7776594), (12, 6480495), (14, 5554710), (15, 5184396), (18, 4320330), (20, 3888297), (21, 3703140), (27, 2880220), (28, 2777355), (30, 2592198), (35, 2221884), (36, 2160165), (42, 1851570), (45, 1728132), (49, 1587060), (54, 1440110), (60, 1296099), (63, 1234380), (70, 1110942), (84, 925785), (90, 864066), (98, 793530), (105, 740628), (108, 720055), (126, 617190), (135, 576044), (140, 555471), (147, 529020), (180, 432033), (189, 411460), (196, 396765), (210, 370314), (245, 317412), (252, 308595), (270, 288022), (294, 264510), (315, 246876), (378, 205730), (420, 185157), (441, 176340), (490, 158706), (540, 144011), (588, 132255), (630, 123438), (735, 105804), (756, 102865), (882, 88170), (945, 82292), (980, 79353), (1260, 61719), (1323, 58780), (1470, 52902), (1764, 44085), (1890, 41146), (2205, 35268), (2646, 29390), (2939, 26460), (2940, 26451), (3780, 20573), (4410, 17634), (5292, 14695), (5878, 13230), (6615, 11756), (8817, 8820)]