78205140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1806

約数の個数: 144

約数和(自身を含む): 269068800

約数和(自身を除く): 190863660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1759, 2223, 2340, 2470, 2964, 3420, 3518, 3705, 4446, 4940, 5277, 7036, 7410, 8795, 8892, 10554, 11115, 14820, 15831, 17590, 21108, 22230, 22867, 26385, 31662, 33421, 35180, 44460, 45734, 52770, 63324, 66842, 68601, 79155, 91468, 100263, 105540, 114335, 133684, 137202, 158310, 167105, 200526, 205803, 228670, 274404, 300789, 316620, 334210, 343005, 401052, 411606, 434473, 457340, 501315, 601578, 668420, 686010, 823212, 868946, 1002630, 1029015, 1203156, 1303419, 1372020, 1503945, 1737892, 2005260, 2058030, 2172365, 2606838, 3007890, 3910257, 4116060, 4344730, 5213676, 6015780, 6517095, 7820514, 8689460, 13034190, 15641028, 19551285, 26068380, 39102570, 78205140]

約数ペア:

[(1, 78205140), (2, 39102570), (3, 26068380), (4, 19551285), (5, 15641028), (6, 13034190), (9, 8689460), (10, 7820514), (12, 6517095), (13, 6015780), (15, 5213676), (18, 4344730), (19, 4116060), (20, 3910257), (26, 3007890), (30, 2606838), (36, 2172365), (38, 2058030), (39, 2005260), (45, 1737892), (52, 1503945), (57, 1372020), (60, 1303419), (65, 1203156), (76, 1029015), (78, 1002630), (90, 868946), (95, 823212), (114, 686010), (117, 668420), (130, 601578), (156, 501315), (171, 457340), (180, 434473), (190, 411606), (195, 401052), (228, 343005), (234, 334210), (247, 316620), (260, 300789), (285, 274404), (342, 228670), (380, 205803), (390, 200526), (468, 167105), (494, 158310), (570, 137202), (585, 133684), (684, 114335), (741, 105540), (780, 100263), (855, 91468), (988, 79155), (1140, 68601), (1170, 66842), (1235, 63324), (1482, 52770), (1710, 45734), (1759, 44460), (2223, 35180), (2340, 33421), (2470, 31662), (2964, 26385), (3420, 22867), (3518, 22230), (3705, 21108), (4446, 17590), (4940, 15831), (5277, 14820), (7036, 11115), (7410, 10554), (8795, 8892)]