78380172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 72

約数和(自身を含む): 214847360

約数和(自身を除く): 136467188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 991, 1014, 1521, 1982, 2028, 2197, 2973, 3042, 3964, 4394, 5946, 6084, 6591, 8788, 8919, 11892, 12883, 13182, 17838, 19773, 25766, 26364, 35676, 38649, 39546, 51532, 77298, 79092, 115947, 154596, 167479, 231894, 334958, 463788, 502437, 669916, 1004874, 1507311, 2009748, 2177227, 3014622, 4354454, 6029244, 6531681, 8708908, 13063362, 19595043, 26126724, 39190086, 78380172]

約数ペア:

[(1, 78380172), (2, 39190086), (3, 26126724), (4, 19595043), (6, 13063362), (9, 8708908), (12, 6531681), (13, 6029244), (18, 4354454), (26, 3014622), (36, 2177227), (39, 2009748), (52, 1507311), (78, 1004874), (117, 669916), (156, 502437), (169, 463788), (234, 334958), (338, 231894), (468, 167479), (507, 154596), (676, 115947), (991, 79092), (1014, 77298), (1521, 51532), (1982, 39546), (2028, 38649), (2197, 35676), (2973, 26364), (3042, 25766), (3964, 19773), (4394, 17838), (5946, 13182), (6084, 12883), (6591, 11892), (8788, 8919)]