30721644

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 80790528

約数和(自身を除く): 50068884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 67, 94, 134, 141, 188, 201, 268, 271, 282, 402, 423, 542, 564, 603, 804, 813, 846, 1084, 1206, 1626, 1692, 2412, 2439, 3149, 3252, 4878, 6298, 9447, 9756, 12596, 12737, 18157, 18894, 25474, 28341, 36314, 37788, 38211, 50948, 54471, 56682, 72628, 76422, 108942, 113364, 114633, 152844, 163413, 217884, 229266, 326826, 458532, 653652, 853379, 1706758, 2560137, 3413516, 5120274, 7680411, 10240548, 15360822, 30721644]

約数ペア:

[(1, 30721644), (2, 15360822), (3, 10240548), (4, 7680411), (6, 5120274), (9, 3413516), (12, 2560137), (18, 1706758), (36, 853379), (47, 653652), (67, 458532), (94, 326826), (134, 229266), (141, 217884), (188, 163413), (201, 152844), (268, 114633), (271, 113364), (282, 108942), (402, 76422), (423, 72628), (542, 56682), (564, 54471), (603, 50948), (804, 38211), (813, 37788), (846, 36314), (1084, 28341), (1206, 25474), (1626, 18894), (1692, 18157), (2412, 12737), (2439, 12596), (3149, 9756), (3252, 9447), (4878, 6298)]