2820186252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{31223}}^1$

素因数の和:31439

約数の個数: 72

約数和(自身を含む): 7717198944

約数和(自身を除く): 4897012692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 193, 234, 386, 468, 579, 772, 1158, 1737, 2316, 2509, 3474, 5018, 6948, 7527, 10036, 15054, 22581, 30108, 31223, 45162, 62446, 90324, 93669, 124892, 187338, 281007, 374676, 405899, 562014, 811798, 1124028, 1217697, 1623596, 2435394, 3653091, 4870788, 6026039, 7306182, 12052078, 14612364, 18078117, 24104156, 36156234, 54234351, 72312468, 78338507, 108468702, 156677014, 216937404, 235015521, 313354028, 470031042, 705046563, 940062084, 1410093126, 2820186252]

約数ペア:

[(1, 2820186252), (2, 1410093126), (3, 940062084), (4, 705046563), (6, 470031042), (9, 313354028), (12, 235015521), (13, 216937404), (18, 156677014), (26, 108468702), (36, 78338507), (39, 72312468), (52, 54234351), (78, 36156234), (117, 24104156), (156, 18078117), (193, 14612364), (234, 12052078), (386, 7306182), (468, 6026039), (579, 4870788), (772, 3653091), (1158, 2435394), (1737, 1623596), (2316, 1217697), (2509, 1124028), (3474, 811798), (5018, 562014), (6948, 405899), (7527, 374676), (10036, 281007), (15054, 187338), (22581, 124892), (30108, 93669), (31223, 90324), (45162, 62446)]