178026732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20063

約数の個数: 72

約数和(自身を含む): 510160560

約数和(自身を除く): 332133828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20021, 40042, 60063, 80084, 120126, 180189, 240252, 260273, 360378, 380399, 520546, 720756, 760798, 780819, 1041092, 1141197, 1521596, 1561638, 2282394, 2342457, 3123276, 3423591, 4564788, 4684914, 4945187, 6847182, 9369828, 9890374, 13694364, 14835561, 19780748, 29671122, 44506683, 59342244, 89013366, 178026732]

約数ペア:

[(1, 178026732), (2, 89013366), (3, 59342244), (4, 44506683), (6, 29671122), (9, 19780748), (12, 14835561), (13, 13694364), (18, 9890374), (19, 9369828), (26, 6847182), (36, 4945187), (38, 4684914), (39, 4564788), (52, 3423591), (57, 3123276), (76, 2342457), (78, 2282394), (114, 1561638), (117, 1521596), (156, 1141197), (171, 1041092), (228, 780819), (234, 760798), (247, 720756), (342, 520546), (468, 380399), (494, 360378), (684, 260273), (741, 240252), (988, 180189), (1482, 120126), (2223, 80084), (2964, 60063), (4446, 40042), (8892, 20021)]