340818660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20807}}^1$

素因数の和:20842

約数の個数: 144

約数和(自身を含む): 1272450816

約数和(自身を除く): 931632156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 20807, 41614, 62421, 83228, 104035, 124842, 145649, 187263, 208070, 249684, 270491, 291298, 312105, 374526, 416140, 436947, 540982, 582596, 624210, 728245, 749052, 811473, 873894, 936315, 1081964, 1248420, 1310841, 1352455, 1456490, 1622946, 1747788, 1872630, 1893437, 2184735, 2434419, 2621682, 2704910, 2912980, 3245892, 3745260, 3786874, 4057365, 4369470, 4868838, 5243364, 5409820, 5680311, 6554205, 7573748, 8114730, 8738940, 9467185, 9737676, 11360622, 12172095, 13108410, 16229460, 17040933, 18934370, 22721244, 24344190, 26216820, 28401555, 34081866, 37868740, 48688380, 56803110, 68163732, 85204665, 113606220, 170409330, 340818660]

約数ペア:

[(1, 340818660), (2, 170409330), (3, 113606220), (4, 85204665), (5, 68163732), (6, 56803110), (7, 48688380), (9, 37868740), (10, 34081866), (12, 28401555), (13, 26216820), (14, 24344190), (15, 22721244), (18, 18934370), (20, 17040933), (21, 16229460), (26, 13108410), (28, 12172095), (30, 11360622), (35, 9737676), (36, 9467185), (39, 8738940), (42, 8114730), (45, 7573748), (52, 6554205), (60, 5680311), (63, 5409820), (65, 5243364), (70, 4868838), (78, 4369470), (84, 4057365), (90, 3786874), (91, 3745260), (105, 3245892), (117, 2912980), (126, 2704910), (130, 2621682), (140, 2434419), (156, 2184735), (180, 1893437), (182, 1872630), (195, 1747788), (210, 1622946), (234, 1456490), (252, 1352455), (260, 1310841), (273, 1248420), (315, 1081964), (364, 936315), (390, 873894), (420, 811473), (455, 749052), (468, 728245), (546, 624210), (585, 582596), (630, 540982), (780, 436947), (819, 416140), (910, 374526), (1092, 312105), (1170, 291298), (1260, 270491), (1365, 249684), (1638, 208070), (1820, 187263), (2340, 145649), (2730, 124842), (3276, 104035), (4095, 83228), (5460, 62421), (8190, 41614), (16380, 20807)]