68004972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 197232672

約数和(自身を除く): 129227700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 641, 842, 1263, 1282, 1684, 1923, 2526, 2564, 2947, 3789, 3846, 4487, 5052, 5769, 5894, 7578, 7692, 8841, 8974, 11538, 11788, 13461, 15156, 17682, 17948, 23076, 26523, 26922, 35364, 40383, 53046, 53844, 80766, 106092, 161532, 269861, 539722, 809583, 1079444, 1619166, 1889027, 2428749, 3238332, 3778054, 4857498, 5667081, 7556108, 9714996, 11334162, 17001243, 22668324, 34002486, 68004972]

約数ペア:

[(1, 68004972), (2, 34002486), (3, 22668324), (4, 17001243), (6, 11334162), (7, 9714996), (9, 7556108), (12, 5667081), (14, 4857498), (18, 3778054), (21, 3238332), (28, 2428749), (36, 1889027), (42, 1619166), (63, 1079444), (84, 809583), (126, 539722), (252, 269861), (421, 161532), (641, 106092), (842, 80766), (1263, 53844), (1282, 53046), (1684, 40383), (1923, 35364), (2526, 26922), (2564, 26523), (2947, 23076), (3789, 17948), (3846, 17682), (4487, 15156), (5052, 13461), (5769, 11788), (5894, 11538), (7578, 8974), (7692, 8841)]